A stone is projected vertically up with an initial velocity U. It returns to the ground after 10 sec. Find (i) U (ii) maximum height reached (iii) time taken to reach the maximum height and (iv) speed with which it hits the ground.
A stone is projected vertically up with an initial velocity U. It returns to the ground after 10 sec. Find (i) U (ii) maximum height reached (iii) time taken to reach the maximum height and (iv) speed with which it hits the ground.
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Explanation:
time taken to reach the maximum height is 10s
explanation
v = u + at
0 = 100 + -10*t
10*t =100
t =100/10
t = 10s