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A ball is released from rest and rolls down an incline plane, requiring 4 sec to cover a distance of 100cm down the plane, Wat was its acceleration? and How far did it travel vertically while rolling down the olane?
A long, straight wire has a 13.7 A current flowing in the positive x-direction. Close to wire is a square loop of copper wire that carries a 2.17 A current in direction shown. The near side of the loop is d = 46.3 cm away from the wire.
A particle has a de Broglie wavelength of 3.20 × 10-10 m. Then its kinetic energy doubles. What is the particle's new de Broglie wavelength
A block of mass m is slides down africtionless inclined surface. The height of the block changes from h at the top to zero at the bottom of theincline. The block then slides across a frictionless horizontal surface and collides elastically with as..
A single conservative force acts on a 5.00kg particle. The equation Fx = (2x + 4) Ndescribes this force, evaluate the change in the potential energy of the system
write down the equations expressing conservation of momentum for the components in the x and y directions separately.
A golf club strikes a 0.047-kg golf ball in order to launch it from the tee. With what speed does the ball leave the club
The charge is now taken out from the spherical shell and placed outside it at a distance 25cm from the center of the sphere. Calculate the electric field at the center of the spherical shell
In order to drink from your glass you must first need to lift it to your mouth. As you begin to lift your 0.20kg glass of water it is accelerating upwards at 0.090 ms-2. What is the net force acting on the glass
Three 3.0 uC charges are at the three corners of an square of side0.50 m. The last corner is occupied by a -3.0 uC charge. Find the electric field at the center of the square.
two identical springs have unstretched lengths of .25m and spring constants of 300 nm. the springs are attached to a
The magnetic fild inside a superconducting solenoid is 4.50 T. The solenoid has an inner diameter of 6.20 cm and a length of 26.0 cm. Determind the magnetic energy density in the field
An automobile having a mass of 1,000 kg is driven into a brick wall in a safety test. What was the speed of the car before impact
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