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A hockey puck of mass .5 kilogram travelling at 10 m/s slows to 2.0 m/s over a distance of 80 meter.
a) Determine the frictional force acting on the puck and
b) Determine the coefficient of kinetic friction between the puck and the surface.
The drawing shows a sulfur dioxide molecule. It consists of twooxygen atoms and a sulfur atom. A sulfur atom is twice as massiveas an oxygen atom. Using this information and the data provided inthe drawing, find the coordinates of the center of ma..
During the propulsive phase of a dive (pushing off the diving board), the net vertical and horizontal forces were 100 N and -100 N, what was the net angular impulse applied to the body
q1. two astronauts each having a mass of 95.0 kg are connected by a 10.0-m rope of negligible mass. they are isolated
Bob walks 250 m south, then jogs 560 m southwest, then walks 250 m in a direction 25 degrees east of north. Find the direction of the displacement that will return Bob to his starting point by the most direct route
a physicist has developed a device that generates a beam of alpha particles each of which is a helium nucleus
a particle of rest mass mo with kinetic energy 15moc2 makes a perfectly inelastic collision with an identical particle
suppose you look through a 3.7 mm thick window comprised of a material whose refractive index is 1.57.a by what time
A 55.0 kg man is ice-skating due north with a velocity of 5.90 m/s when he collides with a 36.0 kg child. What was the velocity of the child just before the collision
How much work is done by a 86.5 kg man running up a flight of stairs 20.0m long in 4.25 seconds, how much power does the man exert while running
Suppose that a grandfather clock a simple pendupum device is running slowly. the time it takes to complete each cycleis longer than it should be. should one shorten or lenghten the pendulum to make the clock keep the correct time? explain?
A dipole consists of charges +e and -e separated by 0.67 nm. It is in an electric field E = 2.2 × 104 N/C. What is the value of the dipole moment
A 1.10kg block is attached to a spring with spring constant 17.5N/m . While the block is sitting at rest, determine The amplitude of the subsequent oscillations
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