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A 1328 kilogram car moving at 19.1 meter per second in the +x direction hits from behind a second car moving at 13 meter per second in the same direction. If the second car has a mass of 790 kilogram and a speed of 15.1 meter per second right after the collision, find the velocity of the first car after this sudden collision?
Estimate the kinetic energy of the Mars with respect to the Sun as the sum of the terms, that due to its daily rotation about its axis
Suppose the 6.0-V battery is replaced by a battery of unknown emf, and an ammeter measures I1 = 1.2 A. Find the other two currents and the emf of the battery
If you are watching a football game from the end of a large stadium, what size will be the image of the football (L=0.3m) on your retina when the football is at the end of the field, 150m away from your seat? (CSG)
a proton with a momentum of 200 GeV/c collides with a proton at rest. Calculate the total energy in the center-of-mass system
Suppose one gallon of gasoline produces 1.1 x10^8 J of energy, and this energy is enough to operate a car for 18 miles. An aspirin tablet has a mass of 275 mg. If the aspirin could be converted completely into thermal energy, how many miles would ..
youve always wondered about the acceleration of the elevators in the 101 story-tall empire state building. one day
When Skylab recentered the Earth's atmosphere on July 11,19790, it broke into a m,yraid of pieces. What was the kinetic energy of the film vault when it landed
suppose there is a rollercoaster on a frictionless track. it is at the top of the track the part where the
If astronauts could travel at v = 0.980c, we on Earth would say it takes (4.20/ 0.980) = 4.29years to reach Alpha Centauri, 4.20 light-years away. The astronauts disagree. How much time passes on the astronauts ‘clocks?
A fisherman fishing from its highest to its lowest point. What is the speed of the waves going past the pier
A .50 kg block attached to an ideal spring by a spring constant of 80 N/m oscillates on a horizontal frictionless surface. When the spring is 4.0 cm longer than its equilibrium length, the speed of the block is .50 m/s. The greatest speed of the bloc..
A 2.30-kg object attached to a spring moves without friction (b = 0) and is driven by an external force given by the expression F = 3.40sin(2?t), Find the angular frequency of the driven system
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