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A 47g marble moving at 2.1m/s strikes a 30gmarble at rest.What is the speed of the first marble immediately after the collision? Assume the collision is perfectly elastic and the marbles collide head-on. What is the speed of the second marble immediately after the collision?
When a-particles with energy of 5MeV are scattered on a thin gold foil, it is found that 10,000 a-particles are scattered at an angle greater than 50o, How many will be scattered between 70o and 80o
A beam having a flux of 10^10 particles per second per cm^2 is incident on a target. The differential cross section is d(sigma)/d(omega) = (b^2)(sin(theta))^2. What is the total cross section
An unstable particle with a mass equal to 3.34x10^-27 kg is initially at rest. Find the masses of the fragments
A large wooden turntable in the shape of a flat uniform disk has a radius of 2.00 {\rm m} and a total mass of 120kg. Find the angular speed of the turntable after the parachutist lands
Train car 1 has a mass of 6.5 x 10^4 kg and is sitting stationary on a track. Train car 2, with a mass of 9.30 x 10^3 kg, What is the speed of Train car 1 after the collision
Find out the distance traveled (in meters) by the jet as the observer watches the nose of the jet cross from one side of the moon to the other.
A small conductive rod of length 1.4 m moves with a constant velocity v=11 m/s in a direction parallel to a long wire carrying a current of 34 A. Calculate the electric potential induced across the rod
The rod rotates with an angular speed of 150 radians/second about an axis that passes perpendicularly through its other end. Illustrate what is the magnetic moment of the rotating charge?
How high from the surface of the earth must an object be raised, What minimum speed is needed by the object to ascend to this height
When it passes point A, its velocity is 3.5 m/s directed as shown. The distance AP is 0.6 m and BP is 1.0 m. Find out the speed of the mass at points B and C.
How much energy would be required to break a helium nucleus into its constituents, two protons and two neutrons? The rest masses of a proton
Imagine that a hypothetical life form is discovered on our moon and transported to Earth. calculate the heat lost by each body from the vaporization of sweat
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