(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

A projectile is shot from the edge of a cliff 115 above ground level with an initial speed of 65.0 at an angle of 35.0 with the horizontal, as shown in the figure .

At the instant just before the projectile hits point P, determine the horizontal and the vertical components of its velocity.

Enter your answers numerically separated by a comma.

2. Relevant equations

basic kinematic equations [a= constant]

3. The attempt at a solution

My attempt was pretty basic, I thought it was correct, and even asked my brother whos a physics tutor for help and he got the same answer, though the MasteringPhysics site which my class is using says its wrong

the horizontal x direction I got the same speed as it is when shot from the start so it doesn't change

65m/s*cos(35^{o}) = 53.2 m/s in the horizontal direction

for the vertical I used the equation

v = v_{o}+ at

where v_{o}= 65m/s*sin(35^{o}) = 37.3 m/s

a = 9.8 m/s^{2}

t = 2.4 s

"t" I found in a different part of the question.

so "v" = 60.36 m/s

though the site says its wrong (masteringphysics)

Thanks.

2. Relevant equations

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# Homework Help: Projectile Motion of a Shot Problem

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