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A 217.5 kg satellite is in a circular orbit of 22,236 miles (35,768 km) in radius. The force keeping the satellite in orbit is 42.9 N. What is the velocity (speed) of the satellite?
a catcher "gives" with a baseball when catching it. if the baseball exerts a force of 463 newtons on the glove such that the glove is displaced 14.9cm, how much work is done by the ball
A ring with radius R has a total charge Q uniformly distributed around it. To leading order, find the electric field at a point along the axis of the ring, a very small distance z from the center
a rock of mass m 1.35 kg is dropped from a height of h 2.7 m into a pool of water. at a time of t 1.37 s after
The average solar cell has an efficiency of about 20%. If a solar cell is used to generate electricity that is then is transmitted 500 ft (assume an efficiency)
an aa battery is connected to a parallel-plate capacitor having 4.00cm diameter plates spaced 5mm apart. how much
A mass of 210 g oscillates on a horizontal frictionless surface at a frequency of 4.0 Hz, What is the effective spring constant for this motion
in a potentiometer arrangement a cell of emf 1.25 v gives a balance point at 35.0 cm length of the wire. if the cell is
A 72.5-kg tourist climb the stairs to the washingtonmonument,which is 555 ft high. How far does the earth move in the opposite direction as the tourist climbs?
A 120 V rms voltage at 60 Hz is applied across a capacitor and a 100 ohm resistor. if the impedance of this circuit is 200 ohm, what is the average power of this circuit?
hopping into your porsche you floor it and accelerate at 13.0 ms2 without spinning the tires. determine the minimum
A circular coil with N turns and radius = 0.05 m is rotating in a uniform magnetic field of 0.5 T. At t = 0 s, How many turns does the coil have
rotates to provide an "artificial gravity" of 3.10 m/s2 for persons who walk around on the inner wall of the outer rim. Find out the rate of the wheel's rotation in revolutions per minute that will produce this effect.
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