| A | B |
|---|
| 1. A tennis ball is thrown straight up with an initial velocity of 22.5 m/s. It is caught at the same distance above the ground from which is was thrown. How high does the ball rise? How long does the ball remain in the air? | 26 m; 4.6 s |
| 2. A pitcher throws a baseball straight up with an initial speed of 27 m/s. How long does it take the ball to reach its highest point? How high does the ball rise above its release point? | 2.8 s; 37 m |
| 3. A kangaroo is capable of jumping to a height of 2.62 m. Determine the take-off speed of the kangaroo. | 7.2 m/s |
| 4. If Michael Jordan has a vertical leap of 1.29 m, then what is his take-off speed and his hang time? | 5.0 m/s; 1.0 s |
| 5. With what speed must an object be thrown to reach a height of 91.5 m? | 42 m/s |
| 6. A camera is accidentally dropped from the edge of a cliff and 6.0 s later hits the bottom. How fast was it going just before it hit? How high is the cliff? | 59 m/s; 176 m |
| 7. A flowerpot fall from a windowshill 25.0 m above the sidewalk. How fast is the flowerpot moving when it strikes the ground? How much time does a passerby on the sidewalk below have to move out of the way before the flowerpot hits the ground? | 22.5 m/s; 2.3 s |
| 8. A worker drops a wrench from the top of a tower 80.0 m tall. What is the velocity when the wrench strikes the ground? | 39.6 m/s |
| 9. A raindrop falls from a cloud 10 km high. How fast is the raindrop going before it hits the ground? | 443 m/s |
| 10. A human jumps out of a spaceship to get away from the aliens that are abducting him. The spaceship is 4.5 km from the ground. HOw long does it take the human to hit the ground? | 30 s |
| 11. An apple falls from a tree and takes 1.5 s to reach the ground. How fast is it going right before it hits the ground and comes to a stop? | 15 m/s |
| 12. A kid fires a slingshot pellet directly at a target that is far enough away to take 0.5 seconds to reach. How high does the pellet get in the air? | 0.31 m |
| 13. An object is dropped from rest and falls freely. After 6 seconds, how far has it fallen? | 180 m |
| 14. A boy throws a ball up in the air 60 m. At what speed is the ball launched? How long is the ball in the air? | 34.3 m/s; 7 s |
| 15. A stone is thrown vertically upward with a speed of 18.0 m/s. How fast is it moving when it reaches a height of 16.0 m? | 3.2 m/s |
| 16. A trout jumps a waterfall 2.5 m high. With what minimum speed did it leave the water below to reach the top? | 7 m/s |
