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Your friend's 0.0185 kg graduation tassel hangs on a string from his rearview mirror. When he accelerates from a stoplight, the tassel deflects backward toward the rear of the car at an angle of 7o relative to the vertical.
Find the tension in the string holding the tassel.
An electron is accelerated to a speed where its total energy is 209 times larger than its rest energy. What is the speed of the electron in terms of the speed of light
a worker leaves home at 900 am travels 40 km to the office and then returns home at 500 pm. what is the magnitude of
An object with total mass mtotal = 15.8 kg is sitting at rest when it explodes into three pieces. One piece with mass m1 = 4.6 kg moves up and to the left at an angle of ?1 = 19.0° above the –x axis with a speed of v1 = 27.8 m/s.
A spring of negligible mass has force constant = 1500 . How far must the spring be compressed for an amount 3.10 of potential energy to be stored in it? Find the maximum distance the spring will be compressed
A block of mass M is sliding down a rough inclined plane with constant velocity v. Find an expression for the angle theta
A ball rolls horizontally off a 45-m high cliff with vo=10 m/s. How far from the base of the cliff will it hit the ground, What is the angular acceleration of the tires
Truck suspensions have "helper springs" that engage at high loads. When the main leaf spring is compressed by a distance y0, What is the compression of the leaf spring for a load of 5.00 x 10^5 N
An electron is held up against the force of gravity by theattraction of a fixed proton some distance above it. How far above the electron is the proton?
A block of mass m slides along a level surface. The coefficient of kinetic friction between the block and the surface is ?. If the block has an initial speed v0, how far will it travel before coming to rest? Show how you arrived at your answer. Repea..
A charged particle is injected at 153 m/s into a 0.0747-T uniform magnetic magnetic field perpendicularly to the field. What is the charge-to-mass ratio of this particle
machine part rotates at an angular speed of 0.46 rad/s; its speed is then increased to 2.0 rad/s at an angular acceleration of 0.59 rad/s2
A home run is hit in such a way that the baseball just clears a wall 21 m high, located 130 m from home plate. Find the time it takes the ball to reach the wall
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