Question

4.
Calculate the work required to be done to stop a
bus of mass 2000 kg moving at a velocity of
36 km/h.
​

Answer 1

Explanation:

thanks my answer please please

Answer 2

Answer:

1,00,000 kg m/s

Explanation:

m=2000

v=36 km/h

hence we will change km/h into m/sec by multiplying 5/18

so velocity will come 10 m/s

then

K. E. =work=1/2mvsqure

1/2 ×2000×10×10

so work will come 100000 kg m/s