Question

Suppose the car is moving with uniform velocities 18 km/h. 36 km/h, 54 km/h, and 72 km/h at
some intervals of time Calculate the kinetic energy of the boy sitting in the car at these intervals ​​

Answer 1

velocity of the girl, u = Velocity of car =

54 km

hour

=

54 × 1000 m

= 15 m/s

3600 s

As, mass of the girl, m = 40 kg

:. K.E. of the girl =

1

mu² =

1

× 40 × 50 ² =4500J

Answer 2

Answer:

I hope you got your answer