Value of g on Venus=8.87 m/s²
Period of pendulum=1.75 s
Given pendulum,
T=2π√(L/g)
(1.5)=2π√(L/8.87)
L=0.505 m
Use F=ma formula
F=m v/t. a=v/t
put values u will get answer.
answer should be around 30N .
100 cm is 1 meter. So your answer would be 0.362 meters.
Ep= mgh
Ep = 40 x 9.8 x 10
Ep = 3920J
Ep = 3900J (2sf)