A soccer ball is kicked at an angle of 30° above the horizontal. Where in the soccer ball's trajectory is the magnitude of the acceleration a minimum?
the acceleration is constant throughout the ball's trajectory
The moment before it strikes the ground
the moment it leaves the player's foot
At the peak of its trajectory
A relic, dropped from a vertical cliff, strikes the ground below after 3 seconds. If a second relic were tossed horizontally from the same cliff, how long would it take to hit the ground below?
Not enough information
3 s
less than 3 s
5 s
A soccer ball is kicked at an angle of 30° above the horizontal. How far will the soccer ball travel horizontally if its initial velocity was 15.0 m/s?
15.0 m
21.0 m
12.8 m
19.8 m
A coin is tossed from the top of a 15.2 m tall building, at a speed of 18.0 m/s and an angle of 30° above the horizontal. Find the maximum height of the coin above street below.
12.4 m
21.2 m
19.3 m
15.3 m