A bullet leaves a gun with a muzzle speed of 350.0 m/s. The bullet is fired straight into the air, how long does it take for the bullet to fall back to the ground? Air resistance doesn't have an effect.
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A bullet leaves a gun with a muzzle speed of 350.0 m/s. The bullet is fired straight into the air, how long does it take for the bullet to fall back to the ground? Air resistance doesn't have an effect.
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- A projectile is launched on the Earth with a certain initial velocity and moves without air resistance. Another projectile is launched with the same initial velocity on the Moon, where the acceleration due to gravity is one-sixth as large. How does the range of the projectile on the Moon compare with that of the projectile on the Earth? (a) It is one-sixth as large. (b) It is the same. (c) It is 6 times larger. (d) It is 6 times larger. (e) It is 36 times larger.A bullet shot straight up returns to its starting point in 9 s. What is the initial speed of the bullet, assuming negligible air resistance? 9.8 m/s O 44.1 m/s O 88.2 m/s O 22 m/sA stone is thrown from the top of a 59.4 m high rock. The vertical component of the initial speed of the stone is 19.5 m / s upwards. How long does the stone spend in the air? Suppose the soil at the base of the rock is flat.
- a person standing on edge of cliff kicks a stone over the edge with a speed of 18 m/s. the height is 52 m above water surface. how long will it take the stone to fall into the water? With what speed does the stone strike the water?A 5m tall elevator travels uniformly up an elevator shaft at 8m/s. At some point in time, a bolt falls from the top of the elevator and falls freely down the shaft. You can ignore the effect of air resistance. How many seconds after the fall will the bolt pass the bottom of the elevator?A ball is thrown vertically upward with an initial speed of 9.0 m/s then falls back to its initial position. If you are to ignore the air resistance, what will be the total displacement of the ball?
- A person on a trampoline bounces straight upward with an initial speed of 4. 50 m/s. Take up as the positive y direction. What is the person's velocity when she returns to her initial height? -4. 50 m/s O-4. 50 ŷ m/s O+4. 50 m/s O+4. 50 ŷ m/sA pool ball leaves a 0.80 m high table with an initial horizontal velocity of 3.0 m/s. What is the time required for the pool ball to fall to the ground?A woman on a bridge 106 m high sees a raft floating at a constant speed on the river below. She drops a stone from rest in an attempt to hit the raft. The stone is released when the raft has 6.55 m more to travel before passing under the bridge. The stone hits the water 2.71 m in front of the raft. Find the speed of the raft.
- While standing at the edge of the roof of a building, a man throws a stone upward with an initial speed of 6.27 m/s. The stone subsequently falls to the ground, which is 13.5 m below the point where the stone leaves his hand. At what speed does the stone impact the ground? Ignore air resistance and use ? = 9.81 m/s^2 for the acceleration due to gravity.A student launches a small rocket which starts from rest at ground level. At a height h=1.04km, the rocket reaches a speed of vf=391m/s. At that height, the rocket runs out of fuel, so there is no longer any thrust propelling it. After the rocket's engine turns off at a height of h=1.04km, it continues to move upward due to the velocity that it reached. What is the rocket's acceleration, in meters per squared second, during the period from engine shutoff until it returns to the ground? Ignore air resistance.A person on the top of a roof of a building (100 m) drops a ball. After 2s passed, a person who stands at the base of the same building throws a separate ball in the upward direction with a speed of 20 m/s. Assumes the two balls are traveling on the same vertical path. Will the two balls collide with each other? If so, what are their velocities as they collide with each other?