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Dahasolnce [82]
3 years ago
5

You throw a rock horizontally off a cliff with a speed of 20 m/s. after two seconds, the magnitude of the velocity of the rock i

s closest to
Physics
1 answer:
Ksivusya [100]3 years ago
7 0
So the magnitude of the resultant vector of the vertical and horizontal together is a right triangle with 20 on one side and 19.62 going down. 
<span>A^2 + B^2 = C^2 </span>
<span>20^2 + 19.62^2 = C^2 </span>
<span>400 + 385 = C^2 </span>
<span>C = 28.0 m/s magnitude </span>
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