a body is dropped from a 32 storeyed Building whose height is 80 M take gravitational acceleration equal to 10 metre per second square
Answers
Answered by
0
it will take 8 secs to reach the ground
Answered by
0
S= -80 m (downwards )
g=-10ms^-2 u=0
S=ut+1/2at^2
-80=0+1/2 (-10)t^2
-80=-5t^2
t^2=16
t=+-4 time can't be negative
so,t= 4sec
g=-10ms^-2 u=0
S=ut+1/2at^2
-80=0+1/2 (-10)t^2
-80=-5t^2
t^2=16
t=+-4 time can't be negative
so,t= 4sec
Similar questions