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A 1.54 wide, 1.34 high, 1400 car hits a very slick patch of ice while going 20.0 . Air resistance is not negligible. If friction is neglected, how long will it take until the car's speed drops to 17.0m/s? To 11.0m/s?
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.
A ball is subjected to a pressure of 25.0 atmospheres. The un-squeezed diameter of the ball is 4.00 cm. The bulk strain on the ball is
Stephan paces back and forth in the lecture room. He starts at x=0 (measured in dm frm the edge of the table), What is the distance travled and what is the displacement
Derive the electric potential V for a single current electrode placed at the surface of an isotropic medium. The current injects current I into the medium that has resistivity r. Assume that the air is non-conductive.
A simple pendulum is made from a .65 m long string and a small ball attatched to it its free end. how much time elapses before it gains the greates speed
A very thin sheet of plastic (n=1.65) covers one slit of a double-slit apparatus illuminated by 640nm light. What is the (minimum) thickness of the plastic
An electromagnet is made by inserting a soft iron core into a solenoid. The solenoid has 1800 turns, radius 2.0 cm, and length 25 cm. What is the relative permeability KB of the iron core
A heat engine operates in a Carnot cycle between reservoirs of temperatures 1000K and 400K. What is the work output per cycle
A rock is dropped into a deep hole and 1.6 s later the sound of striking the bottom is heard. If the speed of sound is 340 m/s, what is the depth of the hole
A rod flies with constant velocity past a mark which is stationary in the K frame. In the K frame, it takes the rod Deltat = 20 ns to fly pass the mark. In the K' frame fixed to the rod, the mark moves past the rod in Deltat' = 25 ns. Find (a) the ve..
A farsighted person uses glasses with a refractive power of 3.5 diopters. The glasses are worn 2.7 from his eyes. What is this person's near point when not wearing glasses
Maria throws Jackson a life preserver attached to a rope. Jackson's mass is 235 kg. If Maria pulls Jackson upward with an acceleration of 3.5 m/s^2, how much tension is in the rope
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