Question

Solve the (c) part of the question..

Answer 1

For A
T - 0.2*10= 0.2*a

For B
m*10 - T = ma
10m - 0.2a - 2 = ma


Now
0.25 = 1/2 a t^2 = 1/2 *a*1/4
a = 2m/s^2
Put
10m - 0.2*2 - 2 =2m
8m =2.4
m = 0.3 kg
Now
v = root 2as = root 2*2*0.25=1m/s
Now
t = 2v/g = 2*1/10 =1/5=0.2 s