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# Projectile motion watch

1. I don't understand how to do the last part.
2. (Original post by khanpatel321)

I don't understand how to do the last part.
Find the horizontal and vertical components of the velocity at the instant it hits the ground and then draw a vector triangle. You can then get the angle with a bit of trig.
3. (Original post by khanpatel321)

I don't understand how to do the last part.
I get the answer for part (iv) as closer to 20 degrees..
Do you have the answer ??
4. (Original post by NNB_Herath)
I get the answer for part (iv) as closer to 20 degrees..
Do you have the answer ??
(Original post by 16Characters....)
Find the horizontal and vertical components of the velocity at the instant it hits the ground and then draw a vector triangle. You can then get the angle with a bit of trig.
Yeah the answer is 19.8, thanks I understand now.

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