What is the kinetic energy of a 1000-kg roller coaster car that is moving with a speed of 20.0 m/s?

1 Answer
May 23, 2018

The kinetic energy of the roller coaster is 2*10^5 J

Explanation:

The formula to calculate kinetic energy is,

E_k=1/2mv^2

Here,

The mass of the roller coaster is, m= 1000 kg
The speed of the roller coaster is, v= 20 ms^-1

Therefore,

E_k=1/2*1000*20^2 =2*10^5 J