Coefficient of kinetic friction of the surface
At the angle determined above the mass begins to move down the incline and experiences a frictional force. If the net acceleration of the mass down the incline is 1.2 m/s2, what is the coefficient of kinetic friction µk of the surface?
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However, for her pay, she receives $8 per day from her employer plus $.07 commission on each ice cream sale. Find (a) her expected daily profit, and (b) the standard deviation of her daily profit
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The kinetic model of gases assumes the average nearest distances between 2 molecule in the gas is much greater than the size of the individual molecules making up the gas.
How many seconds are there in a solar year (365.24 days), expresses in the correct number of significant figures. 60 sec. Per min, 60 min per hr, and 24 hours per day.
A 562 N physics student stands on a bathroom scale in an 824 kg (including the student) elevator that is supported by a cable. As the elevator starts moving, the scale reads 442 N. Find the magnitude of the acceleration of the elevator.
Derieve an expression for the compression factor Z of a gas that obeys the equation of state p(V-nb)=nRT where b and R are constants. If the pressure and temperature are such that Vm=10b, what is the numerical value of the compression factor?
You slide a crate up a ramp at an angel of 30 degress by exerting a 225 N force parallel to the ramp. The crate moves at a constant speed. The coefficient of friction is .28. How much work did you do on the crate as it was raised a vertical distan
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