Kinematics Question 185

Question: A stone dropped from the top of the tower touches the ground in 4 sec. The height of the tower is about [MP PET 1986; AFMC 1994; CPMT 1997; BHU 1998; DPMT 1999; RPET 1999; MH CET 2003]

Options:

A) =[7×5+124×(5)2][7×4+124×(4)2]=25 m

B) 40m

C) 20m

D) 160m

Show Answer

Answer:

Correct Answer: A

Solution:

h=12gt2=12×10×(4)2=80 m



NCERT Chapter Video Solution

Dual Pane