Four carts move along a straight

PHYSICS · Single correct · AP · Physics 1: Algebra-based · Work Energy and Power · Work Energy and Power

Problem

Four carts move along a straight, level track. Their masses and speeds are: • Cart A:

2\,\text{kg}

4\,\text{m/s}

• Cart B:

4\,\text{kg}

2\,\text{m/s}

• Cart C:

1\,\text{kg}

6\,\text{m/s}

• Cart D:

3\,\text{kg}

3\,\text{m/s}

Which ranking correctly orders the carts from greatest to least translational kinetic energy? (a) D

>

>

>

C (b) C

>

>

>

B (c) C

>

>

>

B (d) B

>

>

>