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A 1000kg car moving at 21.1 m/s on a flat road slams on the brakes and skids to a stop. The coefficient of kinetic friction between the road and each of the car tires is 0.219. How many meters does the car go before it comes to a complete stop?
In a 2.0- intense cycling race, a cyclist can loses 3.9 of water through perspiration. Estimate how much heat the cyclist loses in the process
A point on the outer rim of a tire on a moving vehicle exhibits uniform circular motion with a frequency of 28 Hz. calculate How fast is the car moving in km/hr
A hockey puck leaves players stick with a speed of 8.30m/s and slides 28.0m before coming to rest. Find the coefficient of friction between the puck and the ice
An airplane undergoes the following displacements: First, it flies 71 kilometer in a direction 30 degree east of north. find how far the airplane ends up from its starting point
when a driver brakes an automobile the friction between the brake drums and the brake shoes converts the cars kinetic
An oil film (n=1.25) floats on water, and a soap film (n=1.333) is suspended in air. Find the minimum thickness for each that will result in constructive interference with 500-nm green light
A 1.4 m long glass tube that isclosed at one end is weighted and lowered to the bottom of afreshwater lake. Determine the depth of the lake
Suppose Eq. describes a wave traveling down a gas-filled pipe. Let A = 5Pa; ? = 10cm.
a point charge with charge 4.00 is held stationary at the origin. a second point charge with charge -4.10 moves from
A planet Z has a hole bored in it at its equator , and a shaft of light from it's star goes straight down that hole to the bottom, what is the circumference and radius of planet Z
Suppose that a particle accelerator is used to move two beams of particles in opposite directions. what is the magnitude of the average current in this region
Find the electrostatic potential produced by a uniformly charged line bent into an origin-centered circular ring in the x-y plane. The charge per unit length of the line is λ = Q/2πR.
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