Kinematics Question 505

Question: 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=10ms2) [EAMCET (Engg.) 2000]

Options:

A) 2.5ms1

B)5ms1

C) 10ms1

D) 20ms1

Show Answer

Answer:

Correct Answer: C

Solution:

S=u×2hg

therefore 10=u2×510

therefore u=10m/s



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