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1) A 10-kg mass is moving with a speed of 5.0m/s. How much work is required to stop the mass?
2) A wheel of diameter of 68.0cm slows down uniformly from 8.40m/s to rest over a distancce of 115m. How long does it take for the wheel to come to the stop?
in proton-beam therapy a high-energy beam of protons is fired at a tumor. the protons come to rest in the tumor
an object is thrown vertically upward with a speed of 25.08mph. how much time from launch will it take to reach the
At the instant the switch is closed, the temperature of the wire is 22 °C, and the initial power dissipated in the wire is P0. At what wire temperature has the power dissipated in the wire decreased to (1/2)P0?
The walls of a blackbody cavity are at a temperature of 15oC. What is the wavelength of the radiation of maximum intensity
two wheels of mass m and moment of inertia i are connected by a massless axle of length l. the system rests on a
A uniform rod is 3.0m long. the rod is pivoted about ahorizontal, frictionless pin through one end. what is the angular speed of the rod as it passes through the horizontal position
A 220 kV power transmission line carrying 500 A is hung from grounded metal towers by ceramic insulators, each having a 1.25 ? 109Image for 1.A 220 kV power transmission line carrying 500 A is hung from grounded metal towers by ceramic insulators,..
Calculate the speed of a proton that is accelerated from rest through a potential difference of 134V. Calculate the speed of an electron that is accelerated through the same potential difference.
You tie a cord to a pail of water, and you swing the pail in a vertical circle of radius 0.800 meter. Find what minimum speed must you give the pail
It takes 23 hours 56 minutes and 4 seconds for the earth to make one revolution (mean sidereal day). What is the angular speed of the earth
What is magnitude of the force that a concrete support exerts on the bridge at each end. The cloth exerts a friction force of 0.100 N on the mug and the cloth is pulled with a constant acceleration of 3.00 m/s.
question1a 8kg mass moves in a circular path of 4m radius on a frictionless horizontal table. it is attached to a
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