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# A projectile is fired at an upward angle of 55.0 from the top of a 170 m cliff with a speed of 195 m/s What will be its speed when it strikes the

A projectile is fired at an upward angle of 55.0  from the top of a 170 m cliff with a speed of 195 m/s

What will be its speed when it strikes the ground below? (Use conservation of energy and neglect air resistance.)

I attached my latest attempt...

So, I keep getting this answer wrong in my hw system (I'm also not convinced it isnt broken) So I dont know if its a me-problem or an it problem. I have entered the following as answers:

v

strike

= 5628m

s

ANSWER 2:

v

strike

= 5630m

s

ANSWER 3:

v

strike

= 5620m

s

ANSWER 4:

v

strike

= 9220m

s

ANSWER 5:

v

strike

= 9221m

s

ANSWER 6:

v

strike

= 149m

s

ANSWER 7:

v

strike

= 149m

s

ANSWER 8:

v

strike

= 148m

s

Thanks for the help!

#### Top Answer

solution ﻿ V ​ f ​ ​ = 2 0 4 ​ s ​ ​ m ​ ​ ﻿... View the full answer

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