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A magnetic field of 2.00T is applied to a bubble chamber to make the tracts of protons and other charged particles identifiable by the radius of the circles they move in. If a high energy protons moves along an arc of a 3.30m circle, what is the momentum of the proton? (q=1.60*10^19 C, m= 1.67*10^27 kg).
It takes 2.80 s for a small ball with a mass of 0.060 kg released from rest from a tall building to reach the ground. Calculate the height from which the ball is released
The system shown below has frictionless pulleys and the string have negligible mass. what is the speed of the objects when they are at the same height
A steel cable with total length 30 m and mass 100 kg is connected to two poles. Calculate the wavelength of the resulting wave on the cable
A box of mass m = 5 kg sits at the top of a ramp of mass M = 20 kg and height h = 2.0 m with incline angle ? = 30°. What are the final velocities (magnitude and direction) of the ramp and the box
What is wavelength in meters of an electron
The plates have sides of length L = 0.810 m. One of the plates has charge Q= + 2.62×10-6 C, while the other plate has charge -Q. Calculate the magnitude of the electric field between the plates, not close to the edge
A farsighted person has a near point of 50-cm from her eyes. She wants glasses that would let her see objects at a distance of only 25.00 cm from her eyes. Determine out the focal length of the glasses needed if the glasses are 2 cm and 3 cm from ..
A soccer player kicks the ball toward a goal that is 16.0 m in front of him, Find the speed of the ball when the goalie catches it in front of the net
A high-voltage transmission line with a resistance of 0.33 omegacap.gif/km carries a current of 1040 A. What is the power loss due to resistance in the line
Two boxes of mass 4.70 and 2.70 kg are in contact and are accelerated across a horizontal surface by an force of 28.24 N applied parallel to the surface and pushing on the lighter box. Find the acceleration of the two boxes
A particle with charge +7.20 nC is in a uniform electric field directed to the left. What is the magnitude of the electric field
You need to make an ac generator with a sinusoidal output of 14.0 V amplitude and frequency 50 Hz. At what angular frequency should the coil be rotated
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