A 0.75-kg sphere is released from rest and is moving 5.0 m/s after falling 2.0 m in a viscous medium. How much work is done by the force the viscous medium exerts on the sphere during this descent?

A 0.75-kg sphere is released from rest and is moving 5.0 m/s after falling 2.0 m in a viscous medium. How much work is done by the force the viscous medium exerts on the sphere during this descent?

A 0.75-kg sphere is released from rest and is moving 5.0 m/s after falling 2.0 m in a viscous medium. How much work is done by the force the viscous medium exerts on the sphere during this descent?




1) -6.1 J
2) -4.6 J
3) -5.3 J
4) -6.8 J
5) -2.7 J








Answer: 3


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