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A proton enters the region between the two plates shown in the figure moving in the x-direction with a speed v = 1.61 106 m/s. The potential of the top plate is Vt = 245 V, and the potential of the bottom plate is Vb = 0 V. What is the direction and the magnitude of the magnetic field, B,that is required between the plates for the proton to continue traveling in a straight line along the x-direction? (Let d = 35.0 mm.) B= 1 T
Calculate the mass of the sun from the radius of the earth's orbit (1.50×1011 m), the earth's period in its orbit, and the gravitational constant G, What is the density of the sun
A beetle and a spider are sitting on a hinged door. The beetle is in the middle of the door and the spider is near the handle, what is the angular speed and tangantial Speed of the spider
q1. a 25- sample of an ideal gas with is at 250 and 50. the gas is compressed isothermally to one-third of its original
A sphere of radius r starts from rest and rolls without slipping along a curved surface, Find the final speed v of the sphere's center of mass
a proton and an electron have the same kinetic energy upon entering a region of constant magnetic field. What is the ratio of the radii of their circular paths?
A long wire is known to have a radius greater than 5.2 mm and to carry a current that is uniformly distributed over its cross section, What is the radius (in mm) of the wire
A spring of k=8 N/m has a block of mass 15 kg attached to it on a frictionless table. how fast will it be moving at its equilibrium position
An air spaced parallel plate capacitor has an initial charge of 0.05 uC after being connected to a 10 V battery. Calculate the work done in pulling the plates apart
What is the total negative charge, in coulombs, of all the electrons in a small 1.05{\rm g} sphere of carbon? One mole of C is 12.0{\rm g} , and each atom contains 6 protons and 6 electrons.
An inflated rubber balloon is rubbed with a wool cloth till an excess of a billion electrons is on the balloon. What is the magnitude of the charge on the balloon.
A 255 g oscillator has a speed of 93.0 cm/s when its displacement is 3.90 cm and 74.5 cm/s when its displacement is 6.00 cm
A particle starts from the origin with velocity 9 m/s at t = 0 and moves in the xy plane with a varying acceleration given by = (9?t) m/s2
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