Question
Question: A body is thrown horizontally from the top of a tower of height 5 m. It touches the ground at a dist...
A body is thrown horizontally from the top of a tower of height 5 m. It touches the ground at a distance of 10 m from the foot of the tower. The initial velocity of the body is (g = 10 ms–2)
A
2.5 ms–1
B
5 ms–1
C
10 ms–1
D
20 ms–1
Answer
10 ms–1
Explanation
Solution
S=u×g2h ⇒ 10=u2×105 ⇒ u=10m/s