A stone is dropped from a height 100 metre and it goes deep into send placed on surface 2m deep. find the time of penetration
Answers
Answered by
0
WKT,
Work done W = F•s*cosQ (dot product)
Since the angle between the force vector and displacement vector is 0°, cos0°=1,
Therefore W=+F*s.
Work done W = F•s*cosQ (dot product)
Since the angle between the force vector and displacement vector is 0°, cos0°=1,
Therefore W=+F*s.
Similar questions