Find the work done by the gravitational force

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Reference no: EM132713104

Show all necessary formulas and procedure until the end.

Data that may be necessary:

G= 6.67 × 10-11N.m22/kg

M earth= 5.98 × 1024kg

R Earth= 6.38 × 106m

Problems:

Find the work done by the gravitational force when a 100-kg mass falls 3 m.

A mass tied to a spring with k = 60 N/m is brought to x = 6 cm and released. Find the work the spring does to bring the mass back to equilibrium.

A particle has a kinetic energy 20 J. If its speed is tripled, what will its kinetic energy be?

Reference no: EM132713104

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