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
Srijony M.
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#

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