What is the work done by friction on the crate

Reference no: EM13332088

1. You are pushing a 150-kg wooden crate in a straight line a distance of 4.5 m across a wooden floor at constant speed. The static and kinetic coefficients of friction are 0.42 and 0.30, respectively. What is the work done by friction on the crate? ( I used the formula m*.30*g*d and i got it wrong)

2. Converting the energy of one food calorie into mechanical energy, starting from rest, to what speed could you accelerate a 194-lbs person? (I need the formula for this problem, everyone writes the answer but not the formula)

3. You are pushing a 150-kg wooden crate in a straight line a distance of 4.5 m across a wooden floor. The crate is speeding up at 0.22 m/s2. The static and kinetic coefficients of friction are 0.42 and 0.30, respectively. What is the work done by friction on the crate?

Reference no: EM13332088

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