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A book of mass 5.2 kg is resting on a flat level table. You push down on the book at an angle of 25.0 degrees from the horizontal with force of magnitude 236 N. The book starts to slip and is sliding across the table. What is the magnitude of the force of kinetic friction from the table on the book? The coefficient of kinetic friction between the table and the book is μk = 0.43.
A planar loop consisting of four turns of wire, each of which encloses 200 cm2, is oriented vertically to a magnetic field that increases uniformly in magnitude from 10 mT to25 mT in a time of 5.0 ms. what is the resulting induced current in the coil..
A large block 19.0 cm wide, 20.0 cm long, and 24.00 cm high of mass 4.55 kg. This block is passing through air (density ?air = 1.43 kg/m3). Calculate the terminal velocity of the block
Illustrate what diameter has tip of the hour hand with 100 mil/hr tangential speed? If a 10 inch wide top is spinning at 300 RPM, what is the tangential speed at the widest part?
a cylindrical copper rod has resistance of 0.3 ohm. it is reformed to 3.8 timesm its original length with no change of
Block A has a mass of 3.00 kg and rests on a smooth table and is connected to the block B which has a mass of 2.00 kg after passing over an ideal pulley Block B is released from rest. How long does it take Block B to travel 80 cm
Joel's car changes its motion as zero to sixty in three point five seconds. What distance has the car moved
A child, hunting for his favorite wooden horse, is running on the ground around the edge of a stationary merry-go-round, Find the shortest time it takes for the child to catch up with the horse
Two divers jump from a 5-m platform. One jumps upward at 1.90m/s , and the second steps off the platform as the first passes it on the way down. By how much does the first diver hit the water first (seconds)
The cable lifting an elevator is wrapped around a 1.0-m-diameter cylinder that is turned by the elevator's motor. How long does it take for the elevator to stop
A uniform 1.2 kilogram rod that is 0.85 meter long is suspended at rest from the ceiling by two springs, one at each end. Determine the angle that the rod makes with the horizontal
A second baseman tosses the ball to the first baseman, who catches it at the same level from which it was thrown, What is the horizontal component of the ball's velocity just before it is caught
A student moves a box of books by attaching a rope to the box and pulling with a force of 90.0 N at an angle of 30.0 degrees. Find the acceleration of the box
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