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At what speed does a 1000 kg compact car have the same
Chapter 10, Problem 3E(choose chapter or problem)
QUESTION:
Problem 3E
At what speed does a 1000 kg compact car have the same kinetic energy as a 20,000 kg truck going 25 km/h?
Questions & Answers
QUESTION:
Problem 3E
At what speed does a 1000 kg compact car have the same kinetic energy as a 20,000 kg truck going 25 km/h?
ANSWER:
Step 1 of 2
A car of mass \(m_{1}\) has the same kinetic energy as that of a truck of mass \(m_{2}\). We are going to find the speed of the car.
The mass of the car \(\mathrm{m}_{1}=1000 \mathrm{~kg}\)
The mass of the truck \(\mathrm{m}_{2}=20,000 \mathrm{~kg}\)
The speed of the truck \(\mathrm{v}_{2}=25 \mathrm{~km} / \mathrm{h}\)