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A sample of ethyl alcohol (C2H5OH) has a density of 806 kg/m3 and a volume of 1.73 x 10-3 m3.
(a) Determine the mass (in kg) of a molecule of ethyl alcohol, and
(b) find the number of molecules in the sample.
an object of mass 1.00kg travels at 5.0m/s and enters a region of ice where the coefficient of friction is 0.10. determine the distance traveled before coming to a hault
A block of mass m = 353 g is dragged with a string across a rough horizontal table. What is the power supplied by the force of friction
A candle 4.30 cm tall is 39.1 cm to the left of a plane mirror. Where is the image formed by the mirror
A 22 child slides down a 2.4 -high playground slide. She starts from rest, and her speed at the bottom is 1.9 What is the change in thermal energy of the seat of her pants
A 450 nm laser is shown through a single slit. A second 450 nm laser is shown through a double slit. Find the location of the third order minimum for both the single and double slit
Find an expression for the loop's velocity as a function of time as it enters the magnetic field. You can ignore gravity, and you can assume that the back edge of the loop has not entered the field
David is driving a steady 28.0m/s while he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a steady 2.70 at the instant when David passes. How far does Tina drive before passing David.
A bullet of mass .004 kg is fired horizontally into a wooden block of mass 1.3 kg resting on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.2. The bullet remains embedded in the block, which is observed to..
Suppose you wish to lean a 3.00 m ladder against a smooth, vertical wall. The ladder's center of gravity is 2/3 of length from the top. If the coefficient of static friction between the ladder and the floor is 0.60, what is the largest angle ladde..
question1drop solid sphere of aluminium into a bucket of water sitting on ground. the buoyant force equals weight of
The bunchberry flower has the fastest moving parts ever seenin a plant. Initially the stamens are held by the petals in abent position storing elastic energy liked a coiled spring. find the speed of the anther sac as it relases itspollen
A ball of mass 0.40 kg is fired with velocity 140 m/s into the barrel of a spring gun of mass 2.1 kg initially at rest on a frictionless surface. What fraction of the ball's initial kinetic energy is stored in the spring
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