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A proton moves through a magnetic field at 31.5% of the speed of light. At a location where the field has a magnitude of 0.00695 T and the proton's velocity makes an angle of 129° with the field, what is the magnitude of the magnetic force acting on the proton?
= ____________ N
A beam of light of wavelength 569 nm traveling in air is incident on a slab of transparent material. Find the index of refraction of the material
The electric motor of a model train accelerates the train from rest to 0.600m/s in 18ms. The total mass of the train is 515g. Find the average power delivered to the train
Waves on a 10 meter rope travel at 20 m/s. You shake the rope back and forth until you get a standing wave with a single antinode. find the wavelength and frequency of each standing wave
A 80 g, 33-{rm cm}-long rod hangs vertically on a frictionless, horizontal axle passing by its center. A 11 g ball of clay traveling horizontally at 2.5 m/s hits and sticks to the very bottom tip of the rod.
Two protons are released from rest when they are 7.00mm apart. Calculate maximum acceleration
What is the maximum displacement of the bridge deck?
A force of 2880 N is needed to bring a car moving at 20.8 m/s to a halt in 18.3 s. What is the mass of the car
Parallel light from a distant object strikes the large mirror in the figure and is reflected by the small mirror that is 2.528 m from the large mirror, What is the radius of curvature of the smaller mirror
A miniature 200 g monkey skis 150 m down a 25 degree inline on a 400 g sled. Use energy methods to find the final speed of the monkey
The catapult on an aircraft carrier can take an aircraft from 0 to 182 mph in 11 seconds, at which time the aircraft launches
A heat engine absorbs 2400 J of heat from a hot reservoir and releases 1400 J of heat to a cold reservoir each second. Find the efficiency of the engine and its mechanical power output
To make a simple microscope a student places two converging lenses of +20 D at opposite ends of a 34 cm long tube. How far should an object be placed from the objective lens
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