Find the net work done on the piano

Reference no: EM1359858

Q. If a curve with a radius of 85 is perfectly banked for a car traveling 71 , what must be the coefficient of static friction for a car not to skid when traveling at 86 ?

Q. A 295 kg piano slides 4.3 m down a 30° incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is 0.40.

Calculate the net work done on the Piano.

Reference no: EM1359858

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