What is the speed of a 1200 kg car moving with a kinetic energy of 15 kJ?

asked Oct 9, 2021 143k views

1 vote

What is the speed of a 1200 kg car moving
with a kinetic energy of 15 kJ?

3.4k points

Please log in or register to add a comment.

4 votes

Answer:5m/s

Step-by-step explanation:

Kinetic energy=ke=15kj=15x1000j=15000j

Mass=1200kg

Speed=√(2ke/m)

Speed=√(2x15000/1200)

Speed=√(30000/1200)

Speed=√(25)

Speed=5m/s

Durin answered Oct 14, 2021

by Durin

3.5k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.8m questions

4.9m answers