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Two satellites, C and D, are in different circular orbits about the earth. The orbital speed of satellite C is twice that of satellite D. Determine the ratio of the periods of the satellites.
A box of mass 15 kg slides at a constant velocity, along a flat surface, with a coefficient of kinectic friction of 0.75. how much work is done is done by the normal force
A thin, light wire is wrapped around the rim of a wheel, as shown in the following figure. The wheel rotates without friction about a stationary horizontal axis that passes through the center of the wheel. The wheel is a uniform disk with radius 0..
An engine has a hot reservoir temperature of 900 K and a cold reservoir temperature of 608 K. What is the efficiency of the engine
A 0.650 kg ice puck, moving west with a speed of 5.0 m per second, what will be the speed and direction of each puck after the collision
Four point charges have the same magnitude of 2.4 x ten-12C and are fixed to the corners of a square 4.0 cm on a side. Three of the charges are positive and one is negative. Determine the magnitude of the net electric field that exists at the ce..
Equal masses of wood and metal are heated to the same temperature and then tossed into two seperate bowls containing the same amount of ice. Which will melt more ice
A coin placed on a turntable rotating at 37.9 rev/min will stay there if its center is placed no further than 8.5 cm from the axis of rotation. find the coefficient of friction between the coin and turntable
Consider two thin, ideal, conducting wires of radius a centered on r? = (?d/2,0,0) and r+ = (d/2, 0, 0), parallel to the z axis and extending to infinity. Assume that both conductors are in a vacuum.
The coefficient of kinetic friction for wood sliding on wood is 0.20. What is the final speed of the bullet
A uranium atom is ionized seven times, losing seven electrons inthe process. Its resulting mass is 3.90×10−25 kgand it is given a kinetic energy of 3000 eV. If it circles ina magnetic field at a radius of 4.00 m, what isthe strength of the magnetic f..
After a plant or animal dies, its 14C content decreaseswith a half-life of 5730 years. what is the age of the ancient site
a physics student swings a pail of water in a vertical circle 1.0 m in radius at a constant speed. if the water is not
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