Posted by **Anonymous** on Saturday, February 5, 2011 at 3:47pm.

A boy kicks a rock off a cliff with a speed of 19.4 m/s at an angle of 52.5° above the horizontal. The rock hits the ground 5.41 s after it was kicked.

a) How high is the cliff? (I found the height to be 60.3 m)

b) What is the speed of the rock right before it hits the ground?

c) What is the maximum height of the rock measured from the top of the cliff?

## Answer This Question

## Related Questions

- Physics - A boy kicks a rock off a cliff with a speed of 15.5m/s at an angle of ...
- Tulane Physics - a rock is thrown unward off a cliff at a 45 degree angle. THe ...
- physics - c) A 0.26-kg rock is thrown vertically upward from the top of a cliff ...
- Physics - A rock is thrown horizontally off of a cliff. It starts with a ...
- Physics Please help!! - A rock is thrown horizontally off of a cliff. It starts ...
- physics - A boy sitting on the edge of a vertical cliff fires a rock with a ...
- Gweedo8 - a man stand on a 100 m cliff and throws a rock with speed of 40ms at ...
- Math - For this problem, a person standing on the edge of a cliff throws a rock ...
- physics - A 0.26 kg rock is thrown vertically upward from the top of a cliff ...
- physics..help PLEASE! - A 0.26 kg rock is thrown vertically upward from the top ...

More Related Questions