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A skier slides horizontally along the snow for a distance of 28 meter before coming to rest. The coefficient of kinetic friction between the skier and the snow is μk = 0.070.Initially, determine how fast was the skier going?
The magnetic field in a Stern-Gerlach experiment varies along the vertical direction as dBz/dz = 20 T/cm. The horizontal length of the magnet is 7.1 cm and the speed of the silver atoms averages 925 m/s. The mass of the silver atoms is 1.8 x 10^-2..
a shopper in a supermarket pushes a cart with a force of 36 newtons directed at an angle of 26 degrees downward from the horizontal. find the work done by the shopper on the cart
A 1.9 mol sample of hydrogen gas is heated at constant pressure from 302 K to 410 K. Calculate the energy transferred to the gas by heat.
An electromagnetic wave of wavelength 450 nm is traveling in vacuum in the -z direction. What is the magnetic-field amplitude of this wave
the only force actig on a 1.8-kg body as it moves along the x axis is given y f-3.0x n where x is in m. if the velocity
An experiment was performed where a quartz-iodine lamp was used to measure the photocurrent in microamperes in intervals of 10 nm from 400 nm to 900 nm for the voltage settings of 60, 80, 100, and 120V.
A sled and rider with a combined weight of 67 kg are at rest on the top of a hill 26 m high. What is their total energy at the top of the hill
A baseball pitcher can throw a ball with a speed of 70m/s. He is in the back of a pickup truck that is driving away from you. He throws the ball in the direction, and it floats toward you at a lazy 10 m/s.
A boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 11.0 m/s due north relative to the water. If the river is 330 m wide, explain how far downstream has the boat moved by the time it reaches the ..
A 1750-kg car experiences a combined force of air resistance and friction that has the same magnitude whether the car goes up or down a hill at 24 m/s. At what angle is the hill inclined above the horizontal
a magnetic needle free to rotate in a vertical plane parallel to the magnetic meridian has its north tip pointing down
a proton traveling with a velocity of 2.6 times 106 ms due east experiences a magnetic force that has a maximum
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