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Car 1 has a mass of m1 = 65000 kg and a velocity of v01 = +0.80 m/s. Car 2 has a mass of m2 = 92000 kg and a velocity of v02 = +1.2 m/s, overtakes car 1 and couples to it. Determine the velocity of their center of mass (a) before and (b) after the collision.
Two atomic clocks are carefully synchronized. One remains in New York, and the other is loaded on an airliner that travels at an average speed of 250m/s, Which clock will show the shorter elapsed time
A person weighing 119 pounds can run up 500 steps, How much power did the person expend running up the steps
Pulsed lasers used in science and medicine produce very short bursts of electromagnetic energy. If the laser light wavelength is 1062 nm (this corresponds to a Neodymium-YAG laser), and the pulse lasts for 30 picoseconds, how many wavelengths are ..
question 1. plot on a single graph the lennard-jones potential uu using the parameter sets i ai2 ei2 ii g23 623 and iii
A train is rounding a circular curve whose radius is 2.00 102 m. At one instant, the train has an angular acceleration of 1.50 10-3 rad/s2 and an angular speed of 0.0200 rad/s
If I have a bar of length 2d that is supported on a peg at a distance 3/2d from the left end of the bar, What is magnitude of torque of force F
A car moves in a flat, circular path of radius R on a surface with a coefficient of kinetic friction of 0.25 and a coefficient of static friction of 0.35. How long does it take the car to complete one orbit
A large aquarium of height 5.98 m is filled with fresh water to a depth of D = 2.40 m. One wall of the aquarium consists of thick plastic with horizontal length W = 7.10 m. By how much does the total force on that wall increase if the aquarium is nex..
A luminous object is 5.00 m from a wall. You are to use a concave mirror to project an image of the object on the wall, with the image 2.23 the size of the object
The coefficient of kinetic friction for wood sliding on wood is 0.20. Illustrate what is the speed of the bullet?
A sled with a mass of 8.00 kg moves in a straight line on a frictionless horizontal surface. find the force acting on the sled
Calculate the maximum value of resistance that can be obtained by combining resistors of 31 , 47 , and 64
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