Find coefficient of kinetic friction between box and ramp

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Q. A box slides down a 30 degrees ramp with an acceleration of 1.20m/s2. Find out the coefficient of kinetic friction between box and ramp.

Q. A 650 kg weather balloon is designed to lift a 4600 kg package. What volume should the balloon have after being inflated with helium 0 degrees Celsius and 1 atm pressure to lift the total load?

Reference no: EM1382489

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