A friend throws a baseball horizontally. He releases it at a height of 2.0 m and it lands 21 m from his front foot, which is directly below the point at which he released the baseball. (a) How long was it in the air? (b) How fast did he throw
1
Expert's answer
2010-12-17T07:04:09-0500
According to the equations of the motion for vertical projecton of the velocity (V0y = 0): V = gt; h0= gt2/2;
2 = 10t2/2; a) t = 0.63 s b) V0x =s/t = 21/0.63 = 33.33 m/s
Numbers and figures are an essential part of our world, necessary for almost everything we do every day. As important…
APPROVED BY CLIENTS
"assignmentexpert.com" is professional group of people in Math subjects! They did assignments in very high level of mathematical modelling in the best quality. Thanks a lot
Comments
Leave a comment