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Coin is located 15.00 centimeter to the left of a converging lens with focal length 10.00 centimeter. A second, identical lens is placed to the right of the first lens, such that the image formed by the combination has the same size and orientation as the original coin. Find what is the separation between the lenses?
A 2,493-kg car is moving down a road with a slope (grade) of 14% at a constant speed of 13 m/s. What is the direction and magnitude of the frictional force?
The latent heat of vaporization of H2O at body temperature (37.0°C) is 2.45E+6 J/kg. how many kilograms of water in the form of sweat have to be evaporated
From a vantage point very close to the track at a stock car race, you hear the sound emitted with a moving car. You detect a frequency that is 0.908 times as small as the frequency emitted with the car when it is stationary. The speed of sound is 343..
Estimate the change in COP of your electric food freezer when it is removed from your kitchen to its new location in your basement, which is 8 C° cooler than your kitchen. (Assume that the temperature in the kitchen is 20°C and that the temperature o..
a tungsten target is struck by electrons that have been accelerated from rest through a 29.9-kv potential difference.
A hot-air balloonist, rising vertically with a constant velocity of magnitude v= 5.00 m/s, releases a sandbag at an instant when the balloon is a height h= 40.0 m above the ground. What is the greatest height above the ground that the sandbag reach..
A 1,500kg satellite is placed in an orbit 8,000km above the surface of the Earth. a. What is the gravitational acceleration of the Earth at that altitude? b. What is the speed of the satellite? c. How long does it take the satellite to go around the ..
One fish leaps with an initial velocity at the water surface of 12.5m/s at an angle of 33.0 degrees above the horizontal
Suppose that the electric field in the Earth's atmosphere is E = 1.38 102 N/C, pointing downward. Determine the electric charge in the Earth
A 5.0 g bullet leaves the muzzle of a riffle with a speedof 320 m/s. What force (assumed constant) is exerted on the bulletwhile it is traveling down the 0.82 m long barrel of the riffle?
what is the rms speed v0 of molecules in air at 0c? air is composed mostly of n2 molecules so you may assume that it
A ‘U' shaped pipe contains a liquid that is sealed at both ends by pistons. Determine the downward force
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