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A proton starts from rest and is accelerated through a potential difference of 2100 V. The proton then leaves the region of potential difference and enters a region with a uniform magnetic field of 0.10 T. The velocity of the proton and the direction of the magnetic field are perpendicular to one another.
Find (a) the speed of the proton as it enters the region of magnetic field and (b) the radius of the circular path on which the proton moves in the magnetic field.
Just after opening a parachute of negligible mass, a parachutist of mass 82.5 kg experiences an instantaneous upward acceleration of 1.15 m/s2. Find the force of the air on the parachute
100.0 W tungsten filament bulb generates 95.0 W of heat, determine difference in temp. between inner and outer surface of glass
The bullet lodges in the forehead of the victim and comes to a rest. If the victim's head has a mass of 5 kg and was at rest before impact, what is the stress on the cervical vertebra
A fully loaded Boeing 777 commercial airplane with a mass of 303.6 tonnes is at one end of the runway and about to take off. Calculate the length of the runway
The water in a deep underground well is used as the cold reservoir of a Carnot heat pump that maintains the temperature of a house at 294 K. Determine the temperature of the well water
question1you encounters a moving walkway that is 91 long and has the speed of 2.1 relative to the ground. how long
An open train car, with a mass of 2130 kg, coasts along a horizontal track at the speed 2.41 m/s. The car passes under a loading chute and, as it does so, gravel falls vertically into it for 2.59 s at the rate of 489 kg/s. What is the car\'s speed af..
A thin metal film of length 2.80 cm, width of 0.700 cm, and thickness of 30.0 micrometers is used to measure the Hall effect. Calculate the drift velocity of the charge carriers
a rubber ball dropped from a height of 2 bounces back to a height of 1. draw the balls position and velocity graphs
A conducting bar rests on two parallel horizontal rails 50 cm apart forming a square area. The resistance of the bar and the rails is assumed to be constant and equal to 0.05 ??. What is the maximum value of the force acting on the bar during that ..
A copper block rests 25.5cm from the center of a steel turntable. The coefficient of static friction between block and surface is 0.52. The turntable starts from rest and rotates with a constant angular acceleration of 0.475 rad/s2. After what tim..
Two speakers, one directly behind the other, are each generating a 429-Hz sound wave. What is the smallest separation distance between the speakers that will produce destructive interference at a listener standing in front of them? Take the speed of ..
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