Answer:B
Explanation:
Answer:
Newton's second law states that the acceleration of an object is directly related to the net force and inversely related to its mass. Acceleration of an object depends on two things, force and mass.
here this may help.
1700 kg
Let’s use conservation of momentum
32.5 * 388 = 7.42 * mc
mc = 1699.46
mc = 1700 kg
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total energy is 14.12kj
energy at 85% is 12kJ
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