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A 5.1- kg concrete block rests on a level table. A 3.6- kg mass is attached to the block by a string passing over a light, frictionless pulley. If the acceleration of the block is measured to be 1.2 m/s2, what is the coefficient of friction between the block and the table?
There is an isolated point charge of q = +15 ?C. Using a test charge of q0 = +0.80 ?C, determine the E-field at point P which is 0.20 m away
In a 45° - 90° - 45° prism with a ray of light entering and exiting on the long side of the prism after undergoing two total internal reflections. Determine the minimum index of refraction of the prism in order for this to occur
The speed of a particle moving in a circle 2.0 m in radius increases at the constant rate of 4.4 m/s2. what is the speed of the particle
A box of books weighing 334 N is shoved across the floor by a force of 479 N exerted downward at an angle of 33° below the horizontal. What is the maximum coefficient of kinetic friction between the box and the floor that allows the box to move with ..
A mass moves from rest down an inclined plane with an angle of 60 degrees at the top. find the acceleration of the mass down the ramp
A beam of light shoots from air into a piece of glass. If the refracted angle is half of the incident angle, what is the incident angle
A 246 kg wooden raft floats on a lake. When a 80kg man stands on the raft, it sinks 4cm deeper into the water. When he steps off, the raft vibrates for a while.
Two particles are fixed along a straight line, separated by a distance 4.2 cm. The left one has a charge +3.0 nC and the right one has a charge of +7.0 nC. What is the location of the point
The speed of light in polythene is 1.99 x 108 m/s. What is the index of refraction of polythene
What will be the equilibrium temperature while a 238 block of copper at 230 is placed in a 133 aluminium calorimeter cup containing 831 of water at 16.0.
(a) How tall is the lamp's image if the lamp is a distance of 39.6 cm from the mirror (include sign if negative)? (b) How tall is the lamp's image if the lamp is a distance of 85.8 cm from mirror (include sign if negative)?(c) How tall is the lamp..
A golf ball is struck off a tee (negligible height and air resistance) with initial velocity of 50 meters per second at an angle of 30 degrees above the horizontal. Illustrate what will be the vertical component of velocity after 2.5 seconds?
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