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a 45 kg trunk is pushed 78 m at constant speed up a 30deg incline by a constant horizontal force the coefficient of
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a skier starts from rest at the top of a hill that is inclined at 93deg with respect to the horizontal the hillside is
a 04168-g sample of a compound known to contain only carbon hydrogen and oxygen was burned in oxygen to yield 07745 g
if a 100 kilogram person was standing in the elevator and it accelerated downward at 3 ms2 a write the equation for the
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a 123-kg monkey is hanging by one arm from a branch and swinging on a vertical circle as an approximation assume a
using the concepts of equilibrium and le chateliers principle explain why oxygen moves from the air in the lungs to
two block each of 30 kg are held by strings the upper string exerts a force f of 100 newtonswhat is the force exerted
a long glass tube sealed at one end has an inner diameter of 100 mm the tube is filled with water and inverted into a
a horizontal wire of length 30 m carries a current of 60 a and is oriented so that the current direction is 50deg s of
a proton is released such that it has an initial speed of 40 105 ms from left to right across the page a magnetic
suppose there is significant air resistance in addition to the spring force acting on the mass as it oscillates up and
the reaction takes place at around room temperature in solvents such as the specific rate constant at 293 is found to
assuming the difference in relative boiling points of methyl acetate bp 57 oc and 2-butanone bp 80 oc is caused by the
suppose that a cart is given a push up the ramp and released it moves up reverses direction and comes back down again
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a box starts out at the top of a frictionless ramp then slides down the ramp has a heighth3meters and a slope
poly ethylene terephthalate which is the commonly used polyester dacron can be formed by an acid-catalyzed
a particle of mass 441x10-13 kg carries a charge of 397x10-11c if it moves perpendicular to a magnetic field of 0331 t
give the structure of the product formed when adipic acid hooc-ch22-cooh is reacted with a large excess of 1-propanol
a 100-g bullet traveling horizontally at 755 ms strikes a stationary target and stops after penetrating 145 cm into the
how many moles of isopentyl acetate are there in 1 g of isopentyl acetate1 ml of isopentyl