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kodGreya [7K]
3 years ago
10

The weight of a boy having a mass of 50 kg is __N. ???

Physics
1 answer:
lakkis [162]3 years ago
8 0

Answer: 490N

Explanation:

Newton is the unit for force. Force = mass x acceleration

F=N m=50kg a=9.8 (earth's acceleration of gravity)

F=50X9.8

F≈490N

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What is the change in internal energy if 60 J of heat is released from a system and 30 J of work is done on the system? Use U =
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brainly.com/question/4759369

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