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A chain of length L and total mass M is released from restwith its lower end just touching the top of a table. Find the force exerted by the table on the chain after the cahin has fallenthrough a distance x. (assume each link comes to rest the instantit reaches the table.)
A merry go round has a moment of inertia of 1000 kgm^2. When it is rotating at 2.62 rad/sec, the motor shut off. How large was the friction torque
A carnot engine operates between a hot reservoir at 310 K and a cold reservoir at 280 K. If it absorbs 500 J of heat at the hot reservoir, how much work (in joules) does it deliver?
You place a 4.47-mm-high diamond on the axis of and 11.3 cm from a lens with focal length -6.79 cm. How high is the image
The 3.3 kg piece of wood slides on the surface. The curved sides are perfectly smooth, but the rough horizontal bottom is 35 m long and has the kinetic friction coefficient of 0.24 with the wood. The piece of wood starts from rest 6.0 m above the rou..
A closely wound, circular coil with radius 2.10cm has 830 turns. What must the current in the coil be if the magnetic field at the center of the coil is 5.00×10?2
The temperature inside a house is 25°C while the temperature outside is 10°C. Approximately how much energy is radiated per second
A hiker moves from base camp a distance of 1250m due East then another 845m in a direction 60.0 North of East. What is the final displacement and direction from base camp
A river flows due south with a speed of 2.00m/s{\rm m}/{\rm s} . A man steers a motorboat across the river, Find the horizontal component of the book's velocity
If the highest acceleration the vehicle's brakes are capable of is -5 m/s2, what is the maximum reaction time of motorist that will allow her or him to keep away from hitting the deer.
What is the electric force
A 500-turn solenoid, 25 cm long, has a diameter of 2.5 cm. what will be the induced emf in the short coil during this time
A 100-kW radio station emits EM waves in all directions from an antenna on top of a mountain. What is the intensity of the signal at a distance of 10 km?
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