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Explain how the electric potential energy of a particle can increase when moving from a region of high electric potential to a region of low electric potential energy.
q1. a spool of thin wire with inner radius r 0.50 m outer radius r 0.56 m and moment of inertia icm 0.81 kgm2 pivots
A 50.0-kg projectile is fired at angle of 30.0 degrees above the horizontal with an initial speed of 120 m/s from the top of a cliff 142 m above level ground, How much work has been done on the projectile by air friction
When the incoming proton was at a distance of more than 1.4 x 10-15 m from the nucleus, there was a force of repulsion between this proton and the nucleus.
A bike has wheels with a diameter of 0.680 meter. Determine the linear acceleration of the rim of the bike's wheels
a battleship simultaneously fires two shells toward two identical enemy ships. one shell hits ship a which is close by
It has been suggested that rotating cylinders about 8.0 mi long and 5.0 mi in diameter be placed in space and used as colonies. What angular speed must such a cylinder have so that the centripetal acceleration at its surface equals the free-fall acce..
A 2100-? resistor and a 1.4-µF capacitor are connected in series across a generator (60.0 Hz, 120 V rms). Determine the average power delivered to the circuit
Find out vertical and horizontal components
A projectile is launched from a cannon at ground level at an angle of 62.0 degrees elevation and has a muzzle velocity of 481 m/s. Explain how many seconds after it is fired does it reach max height?
A test rocket is firedvertically upward from a well. A catapult gives it an initial speedof 79.8 m/s at ground level. Its engines then fire and itaccelerates upward at 4.10 m/s2 until it reaches an altitude of1060 m.
If the humidity in a room of volume 685 m3 at 25°C is 40percent, what mass of water can still evaporate from an openpan
A monatomic ideal gas that is initially at a pressure of 1.54 × 105 Pa and with a volume of 8.50×102 m3 is compressed adiabatically to a volume of 4.10 × 102 m3. What is the final pressure
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