Problem: Which has more kinetic energy, a 1400 kg car moving at 115 km/h or a 12,000 kg truck moving at 38 km/h?

FREE Expert Solution

Concept: Kinetic Energy.

We are going to calculate the kinetic energy of car and truck using this equation: 

KE = 1/2 mv2

then compare the energies of the car and the truck.

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Problem Details

Which has more kinetic energy, a 1400 kg car moving at 115 km/h or a 12,000 kg truck moving at 38 km/h?

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Kinetic Energy of Gases concept. If you need more Kinetic Energy of Gases practice, you can also practice Kinetic Energy of Gases practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Keister's class at UB.