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Problem: A man throws a rock from a height of 10 m above the ground with an intial speed of 10 m/s at an angle of 30° above the horizontal. Use g = 10m/s2. [a] Find the maximum height above the man reached by the rock. [b] Find the time elapsed when it hits the ground. [c] Find the horizontal distance traveled by the rock to the point where it strikes the ground. [d] Find the magnitude of the velocity of the rock just as it strikes the ground.

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Problem Details

A man throws a rock from a height of 10 m above the ground with an intial speed of 10 m/s at an angle of 30° above the horizontal. Use g = 10m/s2.

[a] Find the maximum height above the man reached by the rock.

[b] Find the time elapsed when it hits the ground.

[c] Find the horizontal distance traveled by the rock to the point where it strikes the ground.

[d] Find the magnitude of the velocity of the rock just as it strikes the ground.

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Projectile Motion concept. You can view video lessons to learn Projectile Motion. Or if you need more Projectile Motion practice, you can also practice Projectile Motion practice problems.

How long does this problem take to solve?

Our expert Physics tutor, Jeffery took 12 minutes and 48 seconds to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Enderle's class at UCD.