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This is a practice question. In a game of pool, the cue ball was moving east at .82m/s when it struck the slower 5-ball moving in the same direction at .24m/s. The 5 ball immediately speeds up to .52m/s. Determine the post collision speed of the cue ball.
A circular saw blade rotating at 15 rev/sec is brought to a stop in 125 revolutions. what is the size of the angular acceleration experienced
Electrons are ejected with a maximum velocity of 5.1 x 105 m/s from a metal when illuminated by photons with a wavelength of 440 nm. calculate The energy of the incident photons
When people exercise they shed heat to the environment by sweating and radiating. calculate the rise in body temperature after 1 hour
Two vehicles are approaching an intersection. One is a 2300kg pickup traveling at 14.0m/s from east to west (the ?x- direction), What is the magnitude of the net momentum
Two particles are fixed to an x axis: particle 1 of charge -7.50*10^-7 C at x=6.00 cm, and particle 2 of charge +7.50*10^-7 C at x=22.0 cm. what is their net electric field
Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. What is the orbital period of the faster planet
A 12.0 kilogram shell is launched at an angle of 55o above the horizon with an initial velocity of 150 m/s. compute how much energy was released by the explosion
A diffraction grating with 280 lines per mm is used in an experiment to study the visible spectrum of a gas discharge tube. At what angle from the beam axis will the first order peak occur if the tube emits light with wavelength of 400.0 nm? At what ..
A spring with k = 30.0 N/m is at the base of a frictionless 30.0° inclined plane. how far up the incline does it travel before coming to rest
a car travels at an average speed of 30 m/s for 5 km. if thecar traveled at 35 m/s for the first 3 km at what speed did it travel the last 2km
Two vectors have magnitudes of 10m and 15 m. The angle between themwhen they are drawn with their tails at the same point is65?. What is the component of the longer vector along the line of the shorter?
If a car takes a banked curve at less than the ideal speed, friction is needed to keep it from sliding toward the inside of the curve
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