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Write any two properties of electric field lines.
A neutral conducting sphere contains a spherical cavity. A point charge +q is located at the center of the cavity.
1. What is the total charge on the exterior surface of the conductor?
2. What is the total surface charge on the interior surface of the conductor?
A rock climber stands on top of a 51 m high cliffoverhanging a pool of water. He throws two stones verticallydownward 1.0 s apart and observes that they cause a singlesplash. The initial speed of the first stone was2.4 m/s.
Light enters a polarizing apparatus at an intensity of 100 units, Determine the angle of rotation theta
Two 1.90-cm-diameter disks spaced 2.10mmapart form a parallel-plate capacitor. The electric field between the disks is 5.10×105V/m, What was the electron's speed as it left the negative plate
In a slow-pitch softball game, a 0.200-kg softball crosses the plate at 20.0 m/s at an angle of 40.0° below the horizontal. Determine the impulse delivered to the ball
A particle lives for a little time before breaking apart into other particles. According to this hypothetical man, find how far does the laboratory move before the particle breaks apart
A magnetic field is perpendicular to the plane of a single-turncircular coil. The magnitude of the field is changing, so that anemf of 0.82 V and a current of3.0 A are induced in the coil.
A 0.318 kilogram mass is attached to a spring with a force constant of 12.5 N/m. compute what is the speed when it is 0.136 m from equilibrium
Two boxes with different masses M1 =0.7 kilogram and M2 =2.8 kilogram are tied together on a friction less ramp surface which makes an angle θ = 27 degree with the horizontal. Find the tension in the rope connecting the two boxes
When a golfer tees off, the head of her golf club which has a mass of 280 g is traveling 58 m/s just before it strikes a 46-g golf ball at rest on a tee. determine the speed of the golf ball just after impact
What is wavelength of the X-ray photon
The voltage from a wall plug can be described by the equation V(t)=170sin[2π(60Hz)t] V. What would you read on a DMM reading AC voltage??
a wire of arbitrary shape which is confined to the x-y plane carries a current i from point a to point b in the plane.
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