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A particle with a charge of -8.5μC is traveling East with a speed of 45m/s in a region with a magnetic field of 0.30T. If the direction of the magnetic field is South,
1. What is the direction of the magnetic force?
2. What is the magnitude of the magnetic force?
A 0.48-kg object connected to a light spring with a force constant of 23.6 N/m oscillates on a frictionless horizontal surface. The spring is compressed 4.0 cm and released from rest.
An 880 N box is pushed across a level floor for a distance of 5.0m with a force of 440N. How much work was done on the box
a 2.54kg block is pulled across a floor by a 15.64 n force. the coefficients of static and kinetic friction are 0.4 and
1. a 204 kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. the ramp is
A proton is located at the origin, and a second proton is located on the x-axis at x = 5.10 fm (1 fm = 10-15 m). If the two protons are released from rest and the alpha particle remains fixed, calculate the speed of the protons at infinity
A sphere of radius r starts from rest and rolls without slipping along a curved surface, dropping through a vertical distance of 0.596 m. Find the final speed v of the sphere's center of mass.
What is the centripetal acceleration of an object on the Earth's equator owing to the rotation of the Earth? What would the period of rotation (in hours = h) of the Earth have to be for objects on the equator to have a centripetal acceleration equ..
The quantity of charge q (in coulombs) that has passed through a surface of area 1.90 cm2 varies with time according to the equation q = 8t3 + 8t + 6, What is the value of the current density
Assume a satellite is in a circular orbit 3.0 Earth radii above the surface of the Earth (4 Earth radii from the center of the Earth). Compute by how much does it have to increase its speed
A sound pulse emitted underwater reflects off a school of fish and is detected at the same place 0.01 seconds later. How far away are the fish
The string in a yo-yo is wound around an axle of radius 0.531 cm. The yo-yo has both rotational and translational motion, like a rolling object, What is the speed of the yo-yo when it reaches the distance of 1.42 m
An electron is moving at a speed of 1.2*10^4 m/s in a circular path of radius of 1.9 cm inside a solenoid. Find the strength of the magnetic field inside the solenoid
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