Gravitational Potential Energy Video Lessons

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Problem: a) Can the kinetic energy of a system be negative?b) Can the gravitational potential energy of a system be negative? Explain.

FREE Expert Solution

a)

Kinetic energy:

K=12mv2

The mass cannot be negative. 

The velocity is a vector quantity, it can be positive or negative. v2 will always be positive.

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Problem Details

a) Can the kinetic energy of a system be negative?
b) Can the gravitational potential energy of a system be negative? Explain.

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