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A force acting on an object moving along the x axis is given by Fx = (14x ? 3.0x2) N where x is in m. How much work is done by this force as the object moves from x = ?2.0 m to x = +1.0 m?
The Moon rotates once on its axis in 27.3 days. Its radius is 1.74 x 10 to the 6th m. What is the linear speed of a rock on the Moon's equator due only to the Moon's rotation
A car coasts (engine off) up a 30 degree grade. If the speed of the car is 25m/s at the bottom of the grade, Compute the time it takes for the car to come to rest
An early method of measuring the speed of light makes use of a rotating slotted wheel. A beam of light passes through one of the slots at the outside edge of the wheel, find the linear speed of a point on the edge of the wheel
A 10 kg crate is pulled up a 30 degree incline with a rope parallel to the incline. The tension in the rope is 100 N. what is the acceleration of the crate up the incline
A meter stick is hinged at its lower end and allowed to fall from a vertical postion. iof its moment of inertia is Ml2/3 with what angular velocity does it hit the table
a tennis ball of mass 0.060 kg is served. It strikes the ground with a velocity of 54m/s ( 120 mi/h) at an angle of 22 degree below the horizontal. what average force did the ground exert on the ball
A disk with a mass of 32.3 kg and a radius of 49.7 cm is mounted on a frictionless horizontal axle. Find the acceleration of the block
Two nanowires are separated by 1.6 nm as measured by STM. Inside the wires the potential energy is zero, but between the wires the potential energy is greater than the electron's energy by only 1.4 eV.
Consider again the long wire near a small wire rectangle. The long wire is part of a circuit. The circuit is small enough that all the approximations we've used in class are good, but the wire near the rectangle is much longer than the rectangle. ..
What is the Hall effect, give a real life example, list its applications, When an electric light bulb is operated on a low frequency AC, they noticeably flicker
Alan leaves Los Angeles at 8:00 a.m. to drive to San Francisco, 400 mi away. He travels at a steady 47.0mph. How long does the first to arrive have to wait for the second
A 5.0 kg sled initially at rest on a level snow-covered road, Find the kinetic energy of the sled after it had been pulled for a distance of 6.0 m
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