moracrista072 moracrista072

04-07-2020
Physics

contestada

A car has a mass of 8000 kg and a kinetic energy of 24,000 J. What is its
speed?
A. 1.7 m/s
B. 2.4 m/s
C. 6 m/s
D. 3 m/s

Respuesta :

xaceleem xaceleem

04-07-2020

Answer:

2.4

Explanation:

48,000/8000=6

square root of 6 = 2.44948974278

so 2.4

Ver imagen xaceleem

Answer Link

senalfernando111 senalfernando111

04-07-2020

AnswerB.2.4m/s

Explanations;

24000=1/2×8000×v^2

24000/4000=v^2

√ 6.=v

v=2.4

Answer Link

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