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A proton traveling at 3.60 km/s suddenly enters a uniform magnetic field of 0.750. T, traveling at an angle of 55.0 degrees with the field lines
(a) Find the magnitude and direction of the force this magnetic field exerts on the proton.
(b) If you can vary the direction of the proton's velocity, find the magnitude of the maximum and minimum force you could achieve, and show how the velocity should be oriented to achieve these forces.
(c) What would the answers to part (a) be if the proton were replaced by an electron traveling in the same way as the proton?
An electron is released from rest at the negative plate of a parallel plate capacitor. How fast is the electron moving just before it reaches the positive plate
You fly from Boston's Logan Airport, at sea level, to Denver, at an altitude of 1.6 . Take your mass as 69 and the zero of potential energy at Boston. What is your gravitational potential energy in Denver
The lenses in the glasses have a focal length of -443 cm and are worn 2.0 cm from the eyes. How far from the eyes is the person's far point located
lab 4 involves the roller coaster and its physics. this simulation can be downloaded from granthams website under
The 1994 Winter Olympics included the aerials competition inskiing. In this event skiers speed down a ramp that slopes sharplyupward at the end. The sharp upward slope launches them into theair, where they perform acrobatic maneuvers.
a runner of the 100m dash aims to achieve a 10sec time. he accelerates to his final cruising speed in the first 10m. what is his final cruising speed
An electron is moving northwards with a velocity 10^7 m/s in a magentic feild of 3T directed eastwards. Calculate the instaneous force on the electron
A 1.50 ? 103-kg car starts from rest and accelerates uniformly to 15.2 m/s in 11.3 s. Find the average power developed by the engine
A ball of mass 0.40 kg is fired with velocity 140 m/s into the barrel of a spring gun of mass 2.1 kg initially at rest on a frictionless surface. What fraction of the ball's initial kinetic energy is stored in the spring
Two people are running towards each other. They start from rest 100 m apart. Find the position where they run into each other
A steam turbine is designed to have a power output of 9MW for a mass flow rate of 17kg/s. The inlet state is 3Mpa, 450deg C and 200m/s and the outlet state is 0.5Mpa, saturated vapor and 80m/s. What is the heat transfer for this turbine?
A student is reading material written on a blackboard. Her contact lenses have a refractive power of 57.50 diopters; the lens-to-retina distance is 1.750 cm. How far (in meters) is the blackboard from her eyes
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