Power = work / time = 8000J / 20s = 400W
displ = velocity x time
25 x 3.2 = 75+5 km north.
Answer:
d d d d dd d d d d d dd d d d d dd d
Answer:
Final velocity v = 8.944 m/sec
Explanation:
We have given distance S = 40 meters
Time t = 10 sec
As it starts from rest so initial velocity u = 0
From second equation of motion 


Now from first equation of motion
, here v is final velocity, u is initial velocity, a is acceleration and t is time
So 