Calculate the initial momentum
A body with a mass of 20kg accelerates uniformly in a straight line according to the law, v=10-2t, where v is the final velocity after t in seconds. Calculate the initial momentum.
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Assume that the upward flight is an exact reverse of the fall. The time spent below the bottom of the window is 2.02 s. How tall is the building?
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Find the rms speed and the average kinetic energy of a hydrogen atom at a temperature of 5.9 multiplied by 107 K. (At this temperature, which is of the order of the temperature in the interior of a star, the hydrogen is ionized and consists of a s
A body with a mass of 20kg accelerates uniformly in a straight line according to the law, v=10-2t, where v is the final velocity after t in seconds.
You get to choose between two envelopes, each of which contains a check for some positive amount of money. Unlike in the two-envelope paradox, it is not given that one envelope contains twice as much money as the other envelope.
A 15N block is now immersed in a salt water (density = 1030 kg/m3). Determine the buoyant force acting on the block if the spring scale reads 11.5 N.
Plot a graph representing heat flux through the window as a function of window material conductivity for the range of 0.01W/mK<k<100W/mK. Use a log scale where appropriate
You throw a superball so that it bounces off the floor, then off the underside of a table, then off the floor again. What must the initial relation between Vx and Rw be so that the ball returns to your hand with the outward and return paths the sa
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