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A 50 g aluminum calorimeter contains wter at a temperature of 26 C. When 75 gof lead at a temperature of 85 C is dropped into the calorimeter, the final temperature is 28 C. How much water was in the calorimeter can?
A skier leaves the ramp of a ski jump with a velocity of 30.0 m/s The slope is inclined at 50.0°, Find the distance from the ramp to where the jumper lands
a 4kg disk travelling at 4 m/s strikes a 2 kg stick of length 4m that is lying flat on frictionless ice. What is the translational speed of the disk
A jet airliner, moving initially at 330 mi/h to the east, suddenly enters a region where the wind is blowing at 100 mi/h toward the direction 30.0° north of east
Two particles each weigh 1.03 N. Find the magnitude of their mutual gravitational force when they are separated by a distance of 21.1 cm
Determine the mutual inductance per unit length between two long solenoids, one inside the other, whose radii are r1 and r2 (r2
A 4.20 kg sphere makes a perfectly inelastic collision with a second sphere that is initially at rest, What is the mass of the second sphere
questiona sledge loaded with bricks has a total mass of 17.3 kg and is pulled at constant speed by a rope inclined at
You have a compound microscope with a barrel of length 163 mm. Find the total angular magnification of the microscope for a person whose near point is 25.0 cm away
A thin spherical shell of mass 0.300 kg and diameter 0.190 m is filled with alcohol. It is then released from rest on the bottom of a pool of water. Find the acceleration of the alcohol filled shell as it rises toward the surface of the water.
A wire of length l0 and cross-sectional area A supports a hanging weight W. Show that if the wire obeys Eq (11.7), it behaves like a spring of force constant AY/l0, where Y is the Young's modulus of the wire.
While visiting Planet Physics, you toss a rock straight up at 14m/s and catch it 2.5s later. determine the mass of Planet Physics
A camera takes a perfectly exposed picture when the lens diaphragm is set to f/4 and the shutter speed is 1/250 s, what should the new shutter speed be so that the exposure is still correct
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