Kinematics Question 240

Question: A body falls from rest in the gravitational field of the earth. The distance travelled in the fifth second of it’s motion is $ (g=10m/s^{2}) $ [MP PET 2003]

Options:

A) 25m

B) 45m

C) 90m

D) 125m

Show Answer

Answer:

Correct Answer: B

Solution:

$ h _{n}=\frac{g}{2}(2n-1)\Rightarrow {h _{5^{th}}}=\frac{10}{2}(2\times 5-1)=45\ m $ .



NCERT Chapter Video Solution

Dual Pane