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A car of mass 1050 kg is going around an unbanked curve of radius 20 m.
a) what is the normal force of the road on the car?
b) what is the maximum velocity of the car if the coefficient of friction is 0.5?
c) what is the velocity of the car if friction = 4895.0 N?
question1a 75 kg human sprinter is able to accelerate from rest to 12 ms in 3.3 s. all through the same interval a 33
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Two lightweight rods 24 {rm cm} in length are mounted perpendicular to an axle and at 180 ^circ to each other. At the end of each rod is a 480 {rm g} mass. The rods are spaced 42 {rm cm} apart along an axle. The axle rotates at 4.90 rad/s.
find friction force that acts on the bear.
A Heliun-Neon laser illuminates a narrow, single slit that is 1850 nm wide. Determine the wavelength of the light from the laser
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