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In a 1-D elastic collision between two pucks on a frictionless air-hockey table, the pre-collision velocity of puck A is v to the right, and the velocity of puck B is 4v to the left (define left as positive). The mass of puck B is two times the mass of puck A. What is the velocity of each puck after collision? Use v=1.2 m/s for calculations.
A candle is held 6.0 cm from the surface of a reflecting ball, and its image appears three-quarters of its actual size. What is the diameter of the ball
An external force moves a 5.4-kg box at a constant speed up a frictionless ramp. The force acts in a direction parallel to the ramp. Calculate the work done on the box
A rotating wheel requires 3.09-s to rotate through 37.0 revolutions. calculate the constant angular acceleration of the wheel
At the end of an amusement park ride, you want the gondola to stop without the acceleration exceeding 2 g's. what is the maximum allowed braking force
Consider N atoms confined on a surface of area A at temperature T. The atoms form a two-dimensional (2D) gas of classical, non interacting particles.
Some people think that they can stop themselves rushing forward by putting their hands on the dashboard. Find out the mass of the object that has a weight equal to force you just calculated.
A cylindrical storage tank has a radius of 1.34 m. When filled to a height of 3.74 m, What is the density of the solvent
A red laser pointer with a wavelength of 635 nm is shined on a double slit producing a diffraction pattern on a screen that is1.75m behind the double slit. The central maximum of the diffraction pattern has a width of4.30cm, and the fourth bright spo..
In a serve, a tennis player hits the ball horizontally. Neglect the effects of air resistance and the diameter of the ball. Where will the ball land if it just clears the net
A 9300 kg boxcar traveling at 20m/s strikes a second boxcar at rest. The two stick together and move off with a speed of 10 m/s. What is the mass of the second car.
Light of wavelength 5.0*10^-7 m in air is incident normally (perpendicular) on a doubled slit. The distance between the slit is 4.0*10^-4 m, Caculate the line density in slits/mm of the diffraction grating
The concrete wall of a building is 0.08 m thick. The temperature inside the building is 17.5°C, while the temperature outside is 0.0°C. What is the emissivity of the wall
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