Find out the gravitational potential energy

Reference no: EM134710

Question1

A 44.0 kg child is in a swing that is attached to ropes 1.90 m long.

The acceleration of gravity is 9.81 m/s2.

Find out the gravitational potential energy associated with the child relative to the child's lowest position under the following conditions: while the ropes make a 37.0 degree angle with the horizontal

Question2

A 66 human sprinter can accelerate from rest to 11 in 3.4. Throughout the same interval, a 28 greyhound can accelerate from rest to 23. Calculate

(a) Change in kinetic energy and

(b) Average power output for each

Reference no: EM134710

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