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A dockworker applies a constant horizontal force of 70.0N to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves a distance 10.0m in a time of 5.40s . What is the mass of the block of ice? If the worker stops pushing after 5.40s , how far does the block move in the next 4.50s ?
A circular coil having an area of 24 cm^2 is plaved in a uniform magnetic field of 0.60T, which is derected vertically upward. Find the magnitude of the magnetic flux contained in the coil
An undiscovered planet, many lightyears from Earth, has one moon in a periodic orbit. This moon takes 21.0 days on average to complete one nearly circular revolution around the unnamed planet.
You charge an initially uncharged 80.9-mF capacitor through a 46.7-? resistor by means of a 9.00-V battery having negligible internal resistance. What is the charge after a long time
A skater rotates at 4.5 revolutions per second (rev/s) with legs together and arms raised over his head. By extending his arms, What is the new rotation rate
A 1.5 {rm kg} block rests on top of a 7.5 {rm kg} block. The cord and pulley have negligible mass, and there is no significant friction anywhere. What force F should be applied to bottom block so the top block accelerates to the right at 2.60 m/s^..
A disk, initially rotating at 149 rad/s, is slowed down with a constant angular acceleration of magnitude 4.23 rad/s2. (a) Explain by how much time does the disk take to stop? (b) Through what angle (rad) does the disk rotate during that time?
(a) How much charge can be placed on a capacitor with air between the plates before it breaks down if the area of each plate is 6.00 cm2? (b) Find the maximum charge if bakelite is used between the plates instead of air.
A disk of mass M and radius R rotates around the z axis with angular velocity wI. What is the ratio of the initial to the final kinetic energies of the two-disk system
The Specific heat capacity at constant pressure of a gas varies with the temperature according to the expression: C_p = ( a + bT - c/T^(2) )
Three point charges are fixed to rectangular coordinate system, Calculate the magnitude and direction of the net electrostatic force on the charge on the x-axis
What is the maximum torque on a 125 turn square loop of wire 18.0 cm on a side that carries a 46.0 A current in a 1.60 T field
Consider a weathered rock or soil particle lying on a slope. How would the gravitational force pulling the particle downward along the land surface vary with the inclination of the slope.
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