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A bowling ball has a mass of 7.2 kg and radius of 0.11m. A billiard ball has a mass of 0.38 kg and a radius of 0.028 m. Both are treated as a sphere. What is the magnitude of the max gravitational force that each can exert on the other?
An alpha particle (?) has a rest mass m = 6.64x10-27 kg. What is the kinetic energy K of the alpha particle at this speed
a man drives a car at a speed of 20 m/s off 30 m high cliff. the road leading to the cliff is inclined upward at angle of 20 degrees. how far from the base of the cliff the car land
A horse canters away from its trainer in a straight line, moving 150m away in 14 sec. It then turns abruptly and gallops halfway back in 4.5 sec.
A boat with an engine speed of 12 m/s directs its motion straight east across a river that is flowing south at 3 m/s. What is the reultant speed and direction of the boat's path
how far did the last car travel before momentarily coming to a rest. A 3 kg block accelerates at a rate twice that of a 6 kg block. Is the net force acting on the 3kg block twice as large as that acting on 6kg block.
A spark plug in a car has electrodes separated by a gap of 6.5×10?2in. What potential difference must be applied to the spark plug to initiate a spark
A thin uniform rod (length = 10.0 cm, mass = 250 g) is pivoted about a horizontal frictionless pin through one end of the rod
A 612 kg elevator starts from rest and moves upward for 4.00 s with constant acceleration until it reaches its cruising speed, 1.84 m/s. What is the average power of the elevator motor during this period
The critical angle for light traveling in a particular optical medium and incident on an interface with air is 46.7o. Calculate the refractive index of this medium
An oak barrel with a lid of area 0.20 m2 is filled withwater. A long, thin tube of cross-sectional area 5.0 X10-5 m2 is inserted into a hole at the centerof the lid, and water is poured into the tube. When the waterreaches 12 m high, the barrel bu..
a helicopters velocity is given as vt -2t100ms. determine the position and acceleration functions given that x0 9m.
A body is displaced (1.5i - 2.0j) m while being acted on by the force (2.0i - 3.0j) N. How much work is done on the body by the force
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