What is total momentum of the two balls after they collide
A 4-kg ball traveling to the right with a speed of 4 m/s collides with a 5-kg ball traveling to the left with a speed of 2 m/s. What is the total momentum of the two balls after they collide?
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What three steps did Sarah Kay Mention in Ted Talk that inspired two standing ovations?
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A rotating cylinder about 16 km in length and 6.0 km in diameter is designed to be used as a space colony. With what angular speed must it rotate so that the residents on it will experience the same acceleration due to gravity on Earth?
Rubber stopper attached to one end of a string and 100g mass attached to the other end. A student gets the rubber stopper going in a horizontal circle above her head. The radius of the circle maintained is 0.50m. The stopper has a constant velocit
The thickness of the probe in the direction of B is 1.60 mm. Find the density of the charge carriers, each of which has charge of magnitude e).
Two identical objects are placed in a room at 20. Object 1 has a temperature of 91 and object 2 has a temperature of 26. What is the ratio of the net power emitted by object 1 to that radiated by object 2?
A 3.0 kg block is attached to a string that is wrapped around a 2.0 kg, 4.0-cm-diameter hollow cylinder that is free to rotate. The block is released 1.0 m above the ground. Use Newton's second law to find the speed of the block as it hits the gro
An object of mass 95.0kg rests on the surfacee of a planet with a mass of 3.5 x 10^15kg and a radius of 7.8 x 10^8m. Calculate the foce of gravity acting on the object on the surface of the plant
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