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A small figurine has a height of 3.5 cm and is placed in front of a concave mirror. The image of the statue is inverted, 1.5 cm tall, and located 13 cm in front of the mirror. Define the focal length of the mirror.
A bedroom bureau with a mass of 40 kg, including drawers and clothing, rests on the horizontal floor. compute the static friction force on the bureau initially
block a of mass 3.6 kg is on block b of mass 6.6 kg. block b is on a frictionless surface and the coefficient of static
Johnie wants to go sailing, but their is no wind. Johnie mounts an Industrial Fan on his sail boat with a 40 N force. What is the speed of the boat
A bat flies toward a moth at speed 8.15 m/s while the moth isflying toward the bat at speed 5.06 m/s. The bat emits a sound waveof 51.9 kHz. What is the frequency of the wave detected by the batafter it reflects off the moth?
question1a 59-kg person on skis starts from rest down a hill sloped at 36deg from horizontal. the coefficient of
A football kicker can give the ball an initial speed of 24 m/s. He is 54 m from the goalpost which has a crossbar 3.46 m high. What is the smallest angle of elevation that he can kick the football and score a field goal?
Two barometers are made with water and mercury. If the mercury column is 45 in. tall, how tall is the water column
Two stars are 5.8 × 1011 m apart and are equally distant from the earth. Find the maximum distance that these stars could be from the earth
An incompressible fluid is flowing through a pipe with a constriction. The pipe is on an incline with an angle of 30.0 degrees. What is the pressure in the narrow section of the pipe
A block of mass m=1.40 kg oscillates in simple harmonic motion due to the force of the spring to which the block is attached to. Express the displacement of the spring in terms of A when v= vm/2 and find its value
An electron is trapped in an infinite well of width 0.120 nm. What are the three longest wavelengths permitted for the electron's de Broglie waves?
a box that weighs 10lbs is pushed along a surface by a variable force f0.1t0.5 lbs. what is the velocity in fts of the
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