Which of the options below best applies to the heart? smooth muscle smooth muscle soft muscle soft muscle voluntary muscle voluntary muscle cardiac muscle

Cardiac muscle

Explanation:

Cardiac anything refers to the heart and cardiac muscle is heart muscle. the other muscles are found in other parts of your body like your arms, legs and other organs.

acceleration = (change in speed) / (time for the change)

change in speed = (20-120)= -100 m/s.

1.5 min = 90 sec

acceleration = -100/90 = -1.11 m/s^2.

we don't care about the 150kg or the 2,500 meters. they don't make any difference.

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12000j is work done