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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 V5 limes larger, (d) It is 6 times larger, (e) It is 6limes larger.1. A bullet is fired at an initial velocity of 150 m/s and an angle of 56° at the top of a 130 m tall building. Neglecting air resistance, determine the following: a. The maximum height above the level ground that can be reached by the bullet. b. The time for the bullet to hit the ground. c. The velocity with which the bullet will hit the ground.10. A military jet flies horizontally with a velocity of 450 m/s and 20,000 m above the ground. When the jet is straight above an artillery gun a shell is fired. Assuming the shell hits the jet. a. Calculate the horizontal component of the initial velocity of the shell. b. Calculate the vertical component of the initial velocity of the shell.
- A projectile is fired with an initial speed of 36.6 m/s at an angle of 44.0 degrees above the horizontal on a long flat firing range. C.Determine the total horizontal distance covered (that is, the range). D.Determine the speed of the projectile 1.10 ss after firing.A tennis player stretches out to reach a ball that is just barely above the ground and successfully 'lobs' it over her opponent's head. The ball is hit with a speed of 18.7 m/s at an angle of 65.1 degrees. a. Determine the time that the ball is in the air.b. Determine the maximum height which the ball reaches.c. Determine the distance the ball travels horizontally before landing.5. A projectile is launched with a velocity of 230 m/s at an angle of 49 degrees (relative to the ground). Determine the following: a. Vx = Vy=_ b. What is the maximum height of the projectile? c. What is the range of the projectile? d. Where is the projectile 5.0 s after it is launched? e. If there was a 75 m high building that is 1400 m away, would the projectile be able to clear this building? Show why or why not.
- A golf ball is driven off a tree that is elevated 10m above fairway. The initial velocity of the ball is 40m/s with an angle of 40° at the horizontal. a. Maximum height? b. Range? c. Velocity of ball when it reaches fairway?7. A projectile is to be launched at an angle of 30° so that it falls beyond the pond of length 20 meters as shown in the figure. a) What is the range of values of the initial velocity so that the projectile falls between points M and N? Vo 30° M 10 m 10 m 20 m1. A ball rolls off the edge of a table 1.44m above the floor and strikes the floor at a point 2m horizontally from the edge of the table. a. What is the time the ball was in the air? b. What is the initial velocity of the ball?
- A firework is launched with an initial velocity of 30 m/s at an angle of 65 degrees with respect to the horizontal. The peak height of the firework, just before it explodes. b. The vertical component of the firework’s velocity, just as it reaches the peak of its motion and explodes. c. The horizontal distance traveled by the firework, just as it reaches the peak of its motion and explodes.5. A projectile is fired at a 60° angle as shown below. The projectile reaches a maximum height ymax above its initial position. The range of the projectile is 25 m, and the time of flight of the projectile is 3 s. Answer the following questions. 25 a) Find the initial x and y components of the velocity. b) How long does it take the projectile to reach its maximum height? c) What is the final height H of the projectile?3. A projectile is launched at an elevated target with an initial velocity of of vo = 200 m/s in a direction making an angle of 30 degrees from the horizontal. Vo=200 m/s 500 m 30 R a. Determine the time of flight from A to B. b. Determine the range R. c. Determine the impact velocity at the target.