# A large cruise ship of mass 6.70 ✕ 107 kg has a speed of 10.6 m/s at some instant.(a) What is the ship's kinetic energy at this time? J(b) How much work is required to stop it? (Give the work done on the ship. Include the sign of the value in your answer.) J(c) What is the magnitude of the constant force required to stop it as it undergoes a displacement of 2.20 km? N

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A large cruise ship of mass 6.70 ✕ 107 kg has a speed of 10.6 m/s at some instant.

(a) What is the ship's kinetic energy at this time?
J

(b) How much work is required to stop it? (Give the work done on the ship. Include the sign of the value in your answer.)
J

(c) What is the magnitude of the constant force required to stop it as it undergoes a displacement of 2.20 km?
N
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Step 1

a)

The required kinetic energy is,

Step 2
1. b)

The amount of kinetic energy will be equal to required work done to s...

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