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A car with its parking brake on starts sliding down an extremely slippery icy h=6 m high embankment into a level snowy muddy field with a coefficient of kinetic friction of 0.8. How far (distance L) does it glide in the mud?
A 250 gram sample of a metal is warmed from 60 degrees celcius to 85 degrees celcius when 1000 cal are added. What is the specific heat constant of the metal.
A battery with an emf of 12.00 V has an internal resistance r. When connected to a resistor R, the terminal voltage is 11.70 V, What is the energy dissipated in the battery's internal resistance in 4.20 minutes
A rope, under a tension of 294 N and fixed at both ends, oscillates in a second-harmonic standing wave pattern, find the length of the rope and the speed of the waves on the rope
What are the rocket's horizontal range, greatest height, and total time of flight. The magnitude of the torque of this force on the door with respect to the hinge is most nearly .
The electric field between two square metal plates is 130 N/C. The plates are 1.0 m on a side and are separated by 3.0 cm, Calculate the charge on each plate
An 0.8kg baseball with an initial velocity of 40m/s is hit with a baseball bat so that its recoil velocity is 60m/s in the exact opposite direction. what is the average force the bat puts on the ball
Illustrate what are the velocities of the two people after the snowball is exchanged? Disregard the friction between the skates and the ice.
If air resistance is negligible, using energy considerations alone, how fast must the ball be going after it falls 200 meters.
What is the maximum rate of rotation. A moving electron passes near the nucleus of a gold atom, which contains 79 protons and 118 neutrons. At a particular moment electron is a distance of 7.5 x10 ^9 m from the gold nucleus.
Find the equation for the acceleration of the moving body at any time.
Find the net downward force on the tank's flat bottom, of area 1.60 m^2, exerted by water and air inside the tank and air outside the tank.
A parallel plate capacitor has plates of area A and seperation of d and is charged to a potential difference of V.Derive expressions for the new potential difference
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