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Two 500 g block of wood are 2.0m apart on a frictionless table. A 10g bullet is fired at 400 m/s towards the blocks. The bullet passes all the way through the first block (the block does not lose any mass as the bullet passes through), and then embeds itself in the second block. The speed of the first block immediately afterwards is 6.0m/s. What is the speed of the second block after the bullet stops?
If 11.6 g of gold is deposited on the negative electrode of an electrolytic cell in a period of 3.03 hours, then what is the current through the cell during this period
Determine the current density, resistance and electric for the copper wire, if the wire is 10 m long
A freight train has a mass of 2 multiplied by 107-kg. If the locomotive can exert a constant pull of 12.50 multiplied by 105-N, how long would it take to enhancement the speed of the train from rest to 85.00 km/h.
If an electron moves from one point at a potential of ?500.0 V to another point at a potential of +500.0 V, how much work is done by the electric field
A 1650 kg cannon, which firesa 75.0 kg shell with a speedof 544 m/s relative to themuzzle, is set at an elevation angle of 39° above the horizontal. The cannon is mounted onfrictionless rails, so that it recoils freely. What is the speed of the sh..
A spaceship is launched from the Earth's surface with a speed v. The radius of the Earth is R. What will its speed be when it is very far from the Earth
The plane of a 6.00 cm by 8.00 cm rectangular loop of wire is parallel to a 0.220 T magnetic field, What is the magnetic moment of the loop
Four spheres are arranged as in the figure in the corners of a 2cm-side square, How much work is required to move a tiny charge of 10nC from C to A
Four stars with equal masses m=1.99×1030 kg are located at the corners of a square, What is the magnitude of the net force on the star at the origin
A certain digital camera having a lens with focal length 7.5 cm focuses on an object 1.80m tall that is 4.35m fromt he lens. How far must the lens be from the photocells
An 18.0g arrow is fired into a 3.00kg pumpkin suspended on a string. Calculate the velocity of the arrow just before it enters the pumpkin
A synchronous satellite, which always remains above the same point on a planet's equator, is put in orbit around Neptune so that scientists can study a surface feature. Neptune rotates once every 16.1 h. Use the data of this table to find the altitud..
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