How much work was done by the lift on the automobile
A mechanical lift raises a 325 kg automobile to a height of 2.00 meters for servicing. How much work was done by the lift on the automobile? Express your answer in metric units to the nearest whole unit.
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In a television set, electrons are accelerated from rest through a potential difference of 19 kV. The electrons then pass through a 0.28 Tesla magnetic field that deflects them to the appropriate spot on the screen. What is the magnitude of the ma
Two plane mirrors are facing each other. They are parallel, d = 5 cm apart, and l = 20 cm in length, as the drawing indicates. A laser beam is directed at the top mirror from the left edge of the bottom mirror. What is the smallest angle of incide
What is import-substitution-industralization (ISI)? How did it change Latin American economy?
A stone thrown upward from the top of a 100 ft cliff at 150 ft/s eventually falls to the beach below. (For this problem take the acceleration due to gravity to be -32 ft/s^2 ; take upwards to be a positive direction.) How long does it take the sto
How do states move from tradition to modernity and is progress necessarily good for society?
An electron moves though an electric field, and its speed drops from 2200 m/s to 1600 m/s. what is the potential difference between the two points at which the speed was measured?
A computer disk drive is turned on starting from rest and has constant angular acceleration. If it took 0.63 s for the drive to make its second complete revolution, how long did it take to make the first complete revolution?
3.5 g of hydrocarbon fuel is burned in a vessel that contains 250 grams of water initialy at 24 C. After the combustion, the temperature of the water is 26.55 C. How much heat is evolved per gram of fuel burned?
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