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State law of the conservation of linear momentum of the collision?
A 1.00 kg glider on a horizontal air track is pulled by a string at an angle θ. The taut string runs over a pulley and is attached to a hanging object of mass 0.500 kg .
question a 0.900-v potential difference is maintained across a 1.50-m length of tungsten wire that has a
The Earth is constantly being bombarded by cosmic rays, which consist mostly of protons. What is the total charge incident on the atmosphere
Suppose a fun-house spherical mirror makes you appear to be one-fifth your normal height. If you are 1.11 m away from the mirror, Find its focal length
If a Saturn V rocket with an Apollo spacecraft attached has a combined mass of 2.4 multiplied by 105 kg and reached a speed of 11.2 km/s, how much kinetic energy would it then have?
An electron moves through a region of crossed electric and magneticfields. The electric field E = 2 000 V/cm and is directedstraight down. The magnetic field B = 0.80 mT and isdirected to the left.
A spherical capacitor is formed from two concentric spherical conducting shells separated by vacuum. What is the electric-field energy stored in the capacitor
At its Ames Research Center, NASA uses its large "20-G" centrifuge to test the effects of very large accelerations (hypergravity) on test pilots and astronauts. In this device, an arm 8.84m long rotates about one end in a horizontal plane, and the..
A particular wire has a resistivity of 2.7 ? 10-8 ·m and a cross-sectional area of 4.1 ? 10-6 m2. What length of wire is required
A cyclist travelling at 5.0 m/s uniformly accelerates up to 10.0 m/s in 2.0 sec. Find through what angle does the pebble revolve
One proposed fusion reaction combines lithium 3Li6 (6.015 u) with deuterium 1H2 (2.014 u) to give helium 2He4 (4.003 u): 1H2 + 3Li6 ----> 22He4. How many kilograms of lithium would be needed to supply the energy needs of one household for a year, est..
A copper rod of length 0.78 m is lying on a frictionless table (see the drawing). What must be the direction of the current in the copper rod
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