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Q. Two 0.40 kg soccer balls collide elastically in a head-on collision. The first ball starts at rest, and the second ball has a speed of 3.5 m/s. After the collision, the second ball is at rest. What is the final speed of the first ball?
Q. Blocks with masses of 2.0 kg , 3.0 kg , and 6.0 kg are lined up in a row on a frictionless table. All three are pushed forward by a 53 N force applied to the 2.0 kg block.
How much force does the 3.0 block exert on the 6.0 block?
How much force does the 3.0 block exert on the 2.0 block?
Chromium is produced by reacting its oxide with aluminium. If 354 g of Cr2O3 and 158 g of Al react to form 204 g of Al2O3, how many grams of Cr are formed.
Estimate the position of C.G or fulcrum & the masses of persons on a 16 feett sea saw, under balanced condition.
Assume a constant upward slope of 32; calculate the horizontal and vertical components of the acceleration of a truck that slowed from 140 to rest in 7.3.
Two cars have a head on collision. Both were traveling at 42m/s toward each other. Car A has a mass of 722 KG. Car B has a mass of 848KG. After impact, car A is moving backward at 2 m/s. What is car B's velocity after impact.
Find out a formula for a electrical flux on a sphere for a point charge at the center of the sphere with a hole in the sphere.
Given that 12g of carbon combines with 16g of oxygen to form carbon monixide, how various grams of carbon monoxide can be made from 48g of carbon and 48g oxygen.
If a parallel mirror He-Ne laser had a homogeneous line shape with v=1.5GHz, and small signal peak coefficient of .001/cm length=100cm and reflectance's 100 percent and 97 percent, how many longitudinal modes would initially contribute to the laser o..
What is Rosie's power output. A long, straight wire carries a current of 44 A. The magnetic field produced by this current at a certain point is 8.0 x10-5 T. How far is the point from the wire.
How much energy is dissipated during the 5 minute interval.
Two blocks are connected by a string. The smooth inclined surface makes an angle of 35 degrees with the horizontal, and the block on the incline has a mass of 5.7 kg . The mass of the hanging block is = 2.9 kg.
What is the magnitude of the force applied throughout this time? What is the direction of the force applied throughout this time?
How might a magician make the Statue of Liberty disappear? Imagine that you are sitting with some spectators on a circular platform that, unknown to all of you, can rotate very slowly. It is evening, and you can see the Statue of Liberty a short dist..
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