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A proton moving with a velocity of 3.0*10*4m/s enters a magnetic field of 0.30T.If an angle between the velocity of the proton and the direction of the magnetic fieldis 60 degrees. What is the magnitude of the force on the proton ?
A 1100-kg sports car (including the driver) crosses the rounded top of a hill (radius = 85.0 m) at 23.0 m/s. Determine the normal force exerted by the road on the car
a girl is riding her bicycle. when she gets to a corner she stops to get a drink from her water bottle. at that time a
sinusoidal sound wave moves through a medium and is described by the displacement wave function s(x, t) = 1.84 cos(15x %u2212 885t), Determine the maximum speed of a element's oscillatory motion
A certain type of propeller blade can be modeled as a thin uniform bar 2.80m long, find the maximum angular acceleration the blade could achieve
You are at the controls of a particle accelerator, sending a beam of 2.70×107 protons (mass ) at a gas target of an unknown element. Your detector tells you that some protons bounce straight back after a collision with one of the nuclei of the unk..
a positively charged particle of mass 8.75 times 10-8 kg is traveling due east with a speed of 77.2 ms and enters a
One end of an iron poker is placed in a fire where the temperature is 495°C, and the other end is kept at a temperature of 27°C. The poker is 1.2 m long and has a radius of 5.0 multiplied by 10-3 m. Ignoring the heat lost along the length of the p..
A skier of mass 64 kg is pulled up a slope by a motor-driven cable. What power (expressed in hp) must a motor have to perform this task
A 100 g cube of ice at 0 degrees C is dropped into 1.3 kg of water that was originally at 82 degrees C. find the final temperature of the water after after the ice melts
Using the Bohr model, calculate the speed of the electron in a hydrogen atom in the n=1,2, and 3 levels. Calculate the orbital period in each of these levels
An axon is the relatively long tail-like part of a neuron, or nerve cell. The outer surface of the axon membrane is charged positively, Thus, the membrane is a kind of capacitor, what is its capacitance
The mass of the barge is 9000 kg, and its acceleration is 0.15 m/s2 down the canal. Illustrate what are the magnitude and the direction of the force on the barge from the water?
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