A physics student catches a 60 gram egg thrown at her. The egg is traveling at 25 m/s just before she catches it. Her hands move backward 30 cm when the egg is caught. What is the average force exerted on the egg by her hands?

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Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.