HELP || A delivery van has a mass of 7000 kg and a kinetic energy of 31,500 J. What is the speed? A) 4.5 m/s B) 2.1 m/s C) 3 m/s D) 9 m/s

asked Feb 12, 2021 93.8k views

3 votes

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2 votes

Answer:

A - 4.5 m/s

Step-by-step explanation:

31,500/7,000= 4.5

Franco answered Feb 14, 2021

3.1k points

2 votes

Answer:

the speed is 3m/s

Step-by-step explanation:

below is the working

Krhitesh answered Feb 16, 2021

4.2k points

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