You're ready for your airplane to take off. But first, these 10 procedures must be done before you fly. The APU also energizes the plane's climate control systems, hopefully keeping the cabin at a nice temperature while parked.Oct 01, 2009 · Answers given in bold font. (a) Determine the time taken by the projectile to hit point P at ground level x = vx0 * t y = vy0 * t - 0.5 * g * t^2 where vx0 is the initial velocity in the x-direction, vy0 is the initial velocity in the y-direction, g = 9.8 m/s^2 and t is time. vx0 = 135 * cos(37) = 107.82 m/s vy0 = 135 * sin(37) = 81.25 m/s @ P we have y = -265 m Thus -265 = 81.25 * t - 0.5 * 9 ...

On level ground a shell is fired with an initial velocity of 40.0 m/s at 60.… 08:05 A cannon, located 60.0 m from the base of a vertical 25.0-m-tall cliff, shoo… d.Determine the velocity of the projectile 5 s after firing. 12. A projectile is fired from the edge of a cliff 95 m high with an initial speed of 50 m/s at an angle of 37 ̊ above the horizontal. a. Determine the total time in the air. b.Determine the maximum height reached by the projectile. A mortar shell is fired from ground level (at point A on the diagram) with a velocity v 0 = 100 ms-1 at an angle of 80° above the horizontal. (1) Calculate the horizontal and vertical components of the velocity of the shell at the instant it is fired. (4 marks) (2) Calculate the vertical component of the velocity: (i) one second after firing

Projectile Motion – Fired at ground level Home Problems and Answers Classical Mechanics Projectile Motion – Fired at ground level A football is kicked with an initial velocity of 25 m/s at an angle of 45-degrees with the horizontal. Long ago, it was inhabited by farmers and fishermen much like everywhere else in the archipelago, but everything changed when they started building the first wall. As soon as it was finished a second circle of battlements began to rise from the centre, slightly narrower than the one before, so that from...

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Apr 21, 2015 · In January 1944, the guns that were to be used on the V3 project were fired for the first time in Germany at a test range. The velocity of firing was only 1000 metres a second – 50% too weak for a shell to hit London from Mimoyecques. As important, the shells that were fired were well below the size expected for an all-out attack on London: A stone is projected at an initial speed of 120 ft/s directed 620 above the horizontal, at a cliff of height h, as shown in Fig. 27. The stone strikes the ground at A 5.5 s after launch- ing. Find (a) the height h ofthe cliff, (b) the speed ofthe stone just before impact at A, and (c) the maximum height H reached above the ground. 120 ft/s / 620 The longest on Earth. 3. Safe travel. An architect must consider how a structure will be used and by whom. An apartment building, a palace, a hospital, a It is a mystery how such a primitive civilization could create such artwork with precision when they had no means of viewing their work from the air.

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A rifle is fired straight up, and the bullet leaves the rifle with an initial velocity magnitude of 724 m/s. After 5.00 s, the velocity is 675 m/s. At what rate is the bullet decelerated? A rock thrown straight up climbs for 2.50 s, then falls to the ground. Neglecting air resistance, with what velocity did the rock strike the ground?

How long will it take a fired shell from a cliff at an initial velocity of 800m/s at an angle 30 degree below the horizontal to reach the ground 150m … below Suppose a child drives a bumper car head on into the side rail which exerts a force of 4000 N on the car for 0.200 s.

the edge of a vertical cliff and reaches the water 3.0 s later. How high was the cliff and how far from its base did the diver hit the water? 7. You toss an apple horizontally at 9.5 m/s from a height of 1.8 m. Simultaneously, you drop a peach from the same height. How long does it take the peach to reach the ground? 8. An arrow fired ... Question 1028733: A ball is thrown upward with an initial velocity of 50 feet per second. The height h (in feet) of the ball after t seconds is given by h=-16^2+50t. At the same time, a balloon is rising at a constant rate of 20 feet per second.

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- the edge of a vertical cliff and reaches the water 3.0 s later. How high was the cliff and how far from its base did the diver hit the water? 7. You toss an apple horizontally at 9.5 m/s from a height of 1.8 m. Simultaneously, you drop a peach from the same height. How long does it take the peach to reach the ground? 8. An arrow fired ...
- is the initial height of the ball, and . y. is the vertical distance travelled (i.e. the height). The initial velocities in the . x. and . y. direction are the vector components of the initial velocity. Figure 1 illustrates these relationships. Figure 1: Vector components of the initial velocity . If the initial speed . v i
- An artillery shell is fired with an initial velocity of 300 m/s at 55.0° above the horizontal. To clear an avalanche, it explodes on a mountainside 42.0 s after firing. What are the x - and y -coordinates of the shell where it explodes, relative to its firing point?
- 24. It took Mary a long time to get over her illness. It will only make you worse. 3. I'm keeping off chocolate for a while in an attempt to lose a little weight. 4. I didn't mean to let the secret out.
- If we take the initial position y 0 to be zero, then the final position is y = -20.0 m. Now the initial vertical velocity is the vertical component of the initial velocity, found from v 0y = v 0 sin θ 0 = (25.0 m/s)(sin 35.0°) = 14.3 m/s. Substituting known values yields
- Oct 28, 2014 · On level ground a shell is fired with an initial velocity of 77.8m/s at 56.1∘ above the horizontal and feels no appreciable air resistance. a.Find the horizontal and vertical components of the shell's initial velocity. Vy = V*sin Θ = 0,983*77.80 = 64.57 m/sec. Vx = V*cos Θ = 0.558*77.80 = 43.39 m/sec
- (a) How long does it take it to reach 1000m? (b) How high does the missile go? (c) How long does it take for it to fall back to the earth? (d) How long does it stay in the air? (e) How fast is it going when it hits the ground? Solution . Problem 33. A rocket is fired vertically upwards with initial velocity 80 m/s at the ground level.
- take (opposite of give). I offered him four tickets for Romeo and Juliet, but he only took two. The burglars have taken all my jewels. There's nothing left. I'll take a copy of the agreement, if you don't mind. Then I won't forget anything. I'm going to take ten minutes now to explain to you how this works.
- 6. A long jumper leaps with an initial resultant velocity of 9.5 m/s at an angle of 40 degrees. Calculate: (a) The initial horizontal velocity, (b) initial vertical velocity, (c) the total time of the jumper's flight, (d) how high the jumper the reaches, and (e) how far the jumper jumps. l) ðzc(0G2)- S 7.
- below. (a) How long after being released does the stone reach the beach? (b) How far from the edge of the cliff does the stone land? 15.) An artillery shell is fired with an initial velocity of 3.00x102 m/s at 55.0o above the horizontal. The shell lands on the peak of a mountain 42.0 s after it is fired. (a) How high is the mountain?
- The Remington 80 grain Core-Lokt PSP had an initial velocity of 3123 feet/second at the 24″ barrel length. At 16″, velocity was 2806 feet/second, a reduction of 317 feet/second. Average velocity reduction was 39.6 feet/second per inch of barrel length. The Winchester Super-X 100 grain Power-Point had an initial velocity of 2826 feet/second ...
- How long does it take to get sick? The "incubation period" is the time between being exposed to the virus and the onset of symptoms. One study from Hong Kong found the virus could be detected for 20 days or longer after the initial onset of symptoms in one-third of patients tested.
- pumpkin straight down with an initial speed of 19.4 m/s. With what velocity does the pumpkin strike the ground? How long does it take? A second crazed physics student throws another pumpkin from the same place, but throws her pumpkin up at 19.4 m/s. Again, determine the velocity of the pumpkin just before it strikes the ground below. How long does
- Speed of the projectile = 40 m/s Angle with the horizontal at which it is fired = 30° Component of the projectile velocity along the horizontal direction= 40 m/s × Cos 30°= 20√3 m/s Vertical component of the projectile = 40 m/s × Sin 30°= 40 m/s ×...
- submarines. The shells are launched with the same initial velocity. If the shells follow the trajectories shown, which submarine gets hit first ? a b c) both at the same time A battleship simultaneously fires two shells at two enemy submarines. The shells are launched with the same initial velocity. If the shells follow the trajectories shown ...
- If air resistance could be ignored, how long would it take the stone to strike the water 80 m below the bridge? (A) 1 s (B) 2 s (C) 4 s (D) 6 s (E) 8 s. 8. A soccer ball, at rest on the ground, is kicked with an initial velocity of 10 m/s at a launch angle of 30°.
- What was its velocity when it strikes the ground? -35m\s. A potato was launched from a potato launcher straight down from a 100 m cliff with a velocity of 35 m/s. How long before it reached the ground? 2.2 s. What was its velocity when it strikes the ground? -56.4m\s. A paintball player shoots her gun straight up in the air.
- • A stone was thrown upward from the top of a cliff at an angle of 37o to horizontal with initial speed of 65.0m/s. If the height of the cliff is 125.0m, how long is it before the stone hits the ground? vxi vi cos 65.0 cos37o 51.9m/s 2 2 1 yf 125.0 vyit gt gt2 78.2t 250 9.80t2 78.2t 250 0 2 9.80
- How long does it take a glacier to move 1 mile? FIRST CLICK ON WHAT YOU ARE SOLVING FOR - TIME Enter 0.0009513 in the velocity box and choose millimeters per second from its menu. Enter 1 in the distance box and choose miles from its menu. Click CALCULATE and your answer is 53.6 years (as well as 11 other units).
- If you dropped a rock off the top of a 125 m cliff, how long would it take to hit the bottom? Two parts: How long does it take for an object on Earth to fall 5 m? The Earth is bigger than the moon, so gravity on Earth is greater than on the moon. The acceleration due to gravity on the moon is about 1/6 of Earth’s, or 1.6 m/s2.
- (a) Calculate the height of a cliff if it takes 2.35 s for a rock to hit the ground when it is thrown straight up from the cliff with an initial velocity of 8.00 m/s. (b) How long a time would it take to reach the ground if it is thrown straight down with the same speed?
- Further, the initial vertical velocity of the projectile is zero. This means that you could hurl an object 1000 m/s horizontally off a cliff, and simultaneously drop an object off the cliff from the same height, and they will both reach the ground at the same time (even though the hurled object has traveled a greater distance).
- If a shell is projected with an initial velocity of u at an angle theta w.r.t to the horizontal, It's range is given by the formula (u^2 sin 2theta)/g Total time of flight as (2u sin theta)/g And,maximum height as (u sin theta)^2/(2g) Now,given, u=392 m/s and theta=30 So,putting the values we get, Total time of flight = 39.96 s Range = 13565 m Maximum height reached = 1958 m If you need the ...
- 2.___peopJe realize how important it is to go in for sports. 3. This student has deep knowledge in English and besides he knows___ French. It will be enough for a month's expedition.
- 6.A projectile is fired from a gun and has initial horizontal and vertical components of velocity equal to 30.0 m/s and 40.0 m/s, respectively. Assuming air resistance is negligible, approximately how long does it take the projectile to reach the highest point in its trajectory? s. s. s. 8.0 s. 16.0 s
- initial velocity V 0. Calculate: a) The time it takes to reach its highest point (the top). b) Distance from your hand to the top c) Time to go from your hand and come back to your hand d) Velocity when it reaches your hand e) Time from leaving your hand to reach some random height h.
- A projectile is fired of a very tall cliff with a horizontal initial trajectory (in other words the initial velocity vector points in the positive x direction of an Earth-bound coordinate system) with an initial velocity vector magnitude of 2.4 m/s.

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- Let's say you're on top of a cliff, which drops vertically 150 m to the ocean below. You throw a ball with an initial speed of 8.40 m/s at an angle of 20 degrees above the horizontal. (a) How long does it take before it hits the water? (b) How far is it from the base of the cliff to the point of impact? As usual, be as systematic as possible.
- A rifle is fired straight up, and the bullet leaves the rifle with an initial velocity magnitude of 724 m/s. After 5.00 s, the velocity is 675 m/s. At what rate is the bullet decelerated? A rock thrown straight up climbs for 2.50 s, then falls to the ground. Neglecting air resistance, with what velocity did the rock strike the ground?
- Velocity from Equation for Constant Acceleration: Velocity: Initial Velocity: Acceleration: Time: where, v = Velocity, v 0 = Initial Velocity a = Acceleration, t = Time.
- What was its velocity when it strikes the ground? -35m\s. A potato was launched from a potato launcher straight down from a 100 m cliff with a velocity of 35 m/s. How long before it reached the ground? 2.2 s. What was its velocity when it strikes the ground? -56.4m\s. A paintball player shoots her gun straight up in the air.
- - Find the horizontal and vertical components of the shell`s velocity. 82.01 sec t= 0.3733 sec answer it will take 0.3733 sec for the shell to reach the ground.
- 6. A long jumper leaps with an initial resultant velocity of 9.5 m/s at an angle of 40 degrees. Calculate: (a) The initial horizontal velocity, (b) initial vertical velocity, (c) the total time of the jumper's flight, (d) how high the jumper the reaches, and (e) how far the jumper jumps. l) ðzc(0G2)- S 7.
- long after being released does ... cliff is h = 50.0 m above a body of water as shown in Figure ... an artillery shell is fired with an initial velocity of 300 m/s at ...
- What is the horizontal velocity of the car? Divers at Acapulco dive from a cliff that is 61 meters high. If the rockets below the cliff extend outward for 23 m, what is the minimum horizontal velocity a diver must have to clear the rocks safely? A mortar shell is fired at an angle of 53 with a speed of 98 m/s. How long is the shell in the air?
- Feb 28, 2012 · By that time the boat was 50m + 50m = 100m from the cliff, so the horizontal component of the shell's velocity must be. Vh = 100m / 10s = 10m/s. Since the shell was fired at 40m/s, the angle Θ w/r/t the horizontal must be. Θ = arccos(10/40) = 75.5º. Then the initial vertical velocity was. Vv = 40m/s * sin75.5º = 38.7 m/s. I hope you can ...
- Jan 28, 2011 · So the velocity drop is initially 9 m/s for every 4.9 m, but that is true only at the muzzle. It really is a percentage. Mathematically, this means a velocity versus range graph will have a curve to it, like Figure 4. Your statement of a linear velocity variation with distance would mean Figure 4 would have a straight line on it and it doesn't.
- 12. A ball thrown at all initial angle of 370 from the horizontal with an initial velocity of 23 m/ s reaches a maximum height h. With what initial speed must a ball be thrown straight, up to reach the same maximum height h? a. 13.8 Ill/s b. 18.4 m/ s c. 23.0 m/ s d. 28.8 e. 38.2 111/s So i Jr 3? 13.
- long does it take the stone to reach the bottom of the cliff? (4.00 s) How far from the base of the cliff does the stone strike the ground? (40.0 m) What is the stone’s velocity just before it strikes the ground? A water balloon is launched horizontally from the top of a building with a velocity of 12.7 m/s.
- Find the range x of a gun which fires a shell with muzzle velocity v at an angle of elevation θ. This means to DERIVE AN EXPRESSION! Then find the angle of elevation θ of a gun which fires a shell with a muzzle velocity of 120 m/s and hits a target at the same level but 1300 m away horizontally.
- At the top of the trajectory, the shell explodes into two fragments of equal mass. How far from the gun does the other fragment land, assuming that the terrain is level and that air drag is negligible?
- initial launch velocity into horizontal and vertical components. a) A rugby ball kicked upwards at an angle of 60o, with velocity 20.5ms-1. b) A bullet fired horizontally at 250ms-1. c) A baseball thrown at 15.0ms-1, and an up angle of 25o. d) An artillery shell fired at 350ms-1, upwards at 70o. e) An arrow released from the bow at 40.0ms-1, at ...
- 7. During World War I, mortars were fired from trenches 3 feet down. The mortars had a velocity of 150 ft/s. Using the function determine how long it will take for the mortar shell to strike its target.
- How long it will take. It took me three days to read the book. We walked home last night. We left at 10 o'clock and we arrived home at 10:20. . . . It took us 20 minutes to walk home.
- Area under velocity-time graph Distance/displacement (1) 1 Shaded area 6.9 – 7.5 (1) m (1) 2 [Allow 1 mark for 5.5 – 6.1 cm2.] Minimum value of the initial separation Same as above [ecf] (1) Area is the extra distance car B travels/how much closer they get (1) 2 Graph Both sloping lines continued down to time axis [by eye] (1) 1
- A cannon fires a shell straight upward; 1.5 s after it is launched, the shell is moving upward with a speed of 20 m/s. Assuming air resistance is negligible, find the speed (magnitude of velocity) of the shell at launch and 4.7 s after the launch 3. A clay pigeon is red straight up and reaches its highest point three seconds later.
- If you dropped a rock off the top of a 125 m cliff, how long would it take to hit the bottom? Two parts: How long does it take for an object on Earth to fall 5 m? The Earth is bigger than the moon, so gravity on Earth is greater than on the moon. The acceleration due to gravity on the moon is about 1/6 of Earth’s, or 1.6 m/s2.
- A projectile is fired of a very tall cliff with a horizontal initial trajectory (in other words the initial velocity vector points in the positive x direction of an Earth-bound coordinate system) with an initial velocity vector magnitude of 2.4 m/s.