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A 10.0 kg mass is moving with constant speed of 10.0 m/s. a.) How much work must be done to double the speed to 20 m/s? b.) How much work must be done to reduce its speed to 5.0 m/s?
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A 10.0 kg mass is moving with constant speed of 10.0 m/s.

a.) How much work must be done to double the speed to 20 m/s?
b.) How much work must be done to reduce its speed to 5.0 m/s?

User Kyranjamie
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