Need full solution A body is projected horizontally from the top of a tower
100 m high with a velocity of 9.8 ms-1. Find the velocity
with which it hits the ground.

[Ans: 45.8 ms-1, 77.64° with horizontal]

According to social exchange theory, altruistic behaviors benefit the individual who performs them. t/f

The desk has a weight of 75 lb and a center of gravity at g. determine the initial acceleration of a desk when the man applies enough force f to overcome the static friction at a and b. also, find the vertical reactions on each of the two legs at a and at b. the coefficients of static and kinetic friction at a and b are ms = 0.5 and mk = 0.2, respectively

What are the necessary conditions for fusion?