Question

1 ) what is the K.E of a 45 kg
rickshaw moving at 10 m/s
suppose a car has 4000 J of
К.E .what will be its K.E if
the speed is doubled ? what if
the speed is tripled ?

2) The K.E of a car is calculated
to be 1250000 J . If the car has
of 1000 kg with , what speed is it moving ?

3) A car is travelling at a
velocity of 10 m/s and has
a mass of 850kg.what is
its K.E ?​

Answer 1

Answer:

1. k.E = 2250J

Explanation:

hence the kinetic energy is 2250 Joules