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A 0.00893-kg bullet is fired straight up at a falling wooden block that has a mass of 1.80 kg. The bullet has a speed of 551 m/s when it strikes the block. The block originally was dropped from rest from the top of a building and had been falling for a time t when the collision with the bullet occurs. As a result of the collision, the block (with the bullet in it) reverses direction, rises, and comes to a momentary halt at the top of the building. Find the time t.
You have been given 1.752 g of copper from which you are to fashion a wire whose resistance is 2.519 ohms. What will be the density of the wire you fashion
A satellite with mass 2200kg is initially in a circular orbit a distance 325km above the earth's surface. Due to air drag, the satellite's altitude decreases to 250km. Calculate the change in gravitational potential energy
What is the radius r of the turn if theta = 20.0 degrees (assuming the car continues in uniform circular motion around the turn).
In an action movie, the villain is rescued from the ocean by grabbing onto the ladder hanging from a helicopter. what was the speed at which the helicopter was ascending
questiontwo hockey players aaron and brunnhilde are pushing two pucks on a frictionless ice rink. the pucks are at
Consider a thick spherical shell of inner radius R/2 and outer radius R. Calculate the total electrostatic potential energy of the thick shell
question1a boat crosses a river of width 228 m in that the current has a uniform speed of 1.97 ms. the pilot maintains
q1. a 5.00-g bullet is shot through a 0.96-kg wood block suspended on a string 2.70 m long. the center of mass of the
You have a parallel plate capacitor with circular plates of radius 1 cm. The distance between these plates is 4 cm, what would the new distance between the plates be
A piece of copper wire is formed into a single circular loop of radius 10 cm. A magnetic field is oriented parallel to the normal to the loop, find the average electrical energy dissipated in the resistance of the wire
Mercury is poured into a U-tube as shown in Figure (a). The left arm of the tube has cross-sectional area A1 of 11.0 cm2, and the right arm has a cross-sectional area A2 of 4.60 cm2.
By what factor must the mass of the ice be increased if the system is to have the same final temperature?
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