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A brass plug is to be placed in a ring made of iron. At 20 C, the diameter of the plug is 8.852 cm and that of the inside of the ring is 8.842 cm. They must both be brought to what common temperature in order to fit? What if the plug were iron and the ring brass?
question a satellite photographs a path on the surface of the earth that is 1800 miles wide. find the central angle
A bumper car with mass m1 = 115kg is moving to the right with a velocity of v1 = 4 m/s. A second bumper car with mass m2 = 95 kg is moving to the left with a velocity of v2 = -3.7 m/s. The two cars have an elastic collision. Suppose the surface is fr..
A bathysphere used for deep-sea exploration has a radius of 1.50 m and a mass of 1.19 104 kg. In order to dive, this submarine takes on mass in the form of sea water.
A childs toy consists of a spherical object of mass 50 attached to a spring. What is the potential energy of the toy when the spring is compressed 3.5 from its equilibrium position
A solid wood door 1.00 m wide and 2.00 m hight is hinged alone one side and has a total mass of 40.0 kg, whats the final angular speed of the door
A 10 kg box slides 4.0 m down a frictionless ramp and collideswith a spring as shown in the figure. The spring constant is 250N/m. At what compression of the spring does the box have its maximum speed?
What is the final temperature of the water?
two satelities s1 and s2 revolve round a planet in coplanar circular orbits in the same sense. their periods of
A box is sliding up an incline that makes an angle of22.7° with respect to the horizontal. How far does the box travel along the incline before coming to rest
What is tension T in each of the cables
A cyclist approaches the bottom of a gradual hill at a speed of 11 meters per second. find the speed at which the cyclist crests the hill
A 1.00-kg block of ice is placed against a horizontal spring that has force constant k = 175 N/m and is compressed 0.021 m. What is the speed of the block after it leaves the spring
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