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The center of a 8.0 kg lead ball and a 130 g lead ball are separated by 10 cm.
(a) what gravitational force does each exert on the other?
(b) what is the ratio of this gravitational force to the weight of the 130 g ball?
A 6.40 nF capacitor is initially charged by a potential difference of 1.40×103 V. find the final electric potential energy stored in the capacitor
When responding to sound, the human eardrum vibrates about its equilibrium position. Suppose an eardrum is vibrating with an amplitude of 7.8x10-7 m and a maximum speed of 2.7x10-3 m/s. What is the maximum acceleration of the eardrum
Two point charges are on the y axis. A 3.30-µC charge is located at y = 1.25 cm, and a -2.06-µC charge is located at y = ?1.80 cm. Find the total electric potential at the origin
A ship displaces 3.00*103 m3 of fresh water on a river. When is passes out to sea, find what volume of sea water will it displace
two crates, of mass m1 = 71kg and m2 = 133kg , are in contact and at rest on a horizontal surface. Force F = 610N is exerted on the 71-kg crate. Determine the acceleration of the system
A 4.3 meter long plank with a weight of 164 Newton is place on a dock with 1.4 meter of its length extended over the water. Find how far from the edge of the dock can the boy move until the plank is just on the verge of tipping
A spaceships leave Earth in opposite directions, each with a speedof 0.50c with respect to Earth. What is the velocity of spaceship1 relative to spaceship2
determine a set of non-orthogonal base vectors a j k b i k and c i j.a establish their reciprocal vectors and
Consider the circuit shown to the right with the resistance s and voltages listed. What is the current through the resistor 1? What is the current through the resistor 2?
A storage tank 30 m high is filled with gasoline. Find the gauge pressure at the bottom of the tank
A sinusoidal voltage having a maximum amplitude of 625 V is applied to the terminals of a 50 ohm resistor. Find the average power delivered to the resistor
The radar system transmits 18.75 GHz from a circular antenna with a diameter 2.3m. at a range of 6.2km, what is the smallest distance that two speedboats can be from each other and still be resolved as two objects?
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