Question

 A scooter of mass 150 kg which is moving at a speed of 45 km/h increases its speed to 63 km/h. Calculate the work done​

Answer 1

Answer:

ANSWER

in the given question we have

u=36 km/hr =36×

18

5

m/s=10m/s

v= 72 km/hr=72×

18

5

m/s=20m/s

t=10 s

a=?

we know the formula

v= u +at

20 = 10+ a 10

20-10 =10 a

10 = 10 a

a = 1 m/s

2