Question

A motorcycle of 200kg is moving with 72 km/hr.Calculate its kinetic energy. ​

Answer 1

Answer:

40000 joules

Explanation:

mass 200kg

velocity: 72km/h

ie 20m/sec

KE:1/2mv^2

=1/2mv^2

=1/2*200*20*20

=40000

joules

Answer 2

Answer:

KE = 40000 joule

Explanation:

given

mass of motorcycle m = 200 kg

velocity of motorcycle V= 72 km /h = 20m/s

we have formula for KE

$KE=\frac{1}{2} mV^{2}$

put given value

KE = (1/2)200×(20)²

KE = 100×400

KE = 40000 joule