Question

Pls solve immediately ​
class 9 science NCERT

Answer 1

Explanation:

as the trolley's initial velocity is 0 m/s

u=0m/s

v=?

t=3s

a=3cm/s² = 3/100 m/s²

using equation of motion

v=u+at

v= 0+3/100×3

v=9/100m/s

hope it helps uu