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A block of wood is placed on a frictionless horizontal surface and a 7.00 g bullet is fired from a gun into the 1.00-kg block of wood and remains embedded. The bullet has an initial speed of 500 m/s. Find the speed of the block and bullet after the collision. Find the impilse delivered to the block by the bullet. If the collision time is 2 x 10^-4 s, what is the average force exerted by the block on the bullet.
A box of mass 52.0 kg is connected to a second box with a mass of 58.0 kg. Both are sitting on a horizontal surface, find the magnitude of the tension in the string between the two boxes
A potter's wheel (a solid, uniform disk) of mass 6.0kg and radius 25cm spins about its central axis with an angular speed of the wheel is 15rpm. Find the new angular speed of the system
We pass a laser beam through a double slit. On a screen 18.52 m away, we observe a series of bright lines which are 3.4 mm apart. What is the distance between the two slits
A non-uniform flask consists of a lower portion that is a circular cylinder 20 cm in radius and 20 cm high. The flask is filled with water. Calculate The total weight of the water in the flask
Angular acceleration and angular displacement of the rotor using the equation of motion in rotational dynamics.
A 2.0cm tall object is located 18.0cm in front of a converging lens with a focal length of 10.0cm. Is it virtual or real
2.0 moles of monatomic gas at atmospheric pressure has a total energy of 7480 J. what is the volume occupied a rigid cylinder by the gas
A 35 N boy pushes down on the ground with a force of 10 N perpendicular to the surface of the ground. What is the magnitude of the force of the ground on the boy
The human eye can detect light intensities as small as about 8 10-23 W/m2. How does this force compare to the weight of an electron
A combination mercury- steam turbine takes saturated mercury vapor a boiler at 500 C and exhausts to steam boiler at 240 C. what is the ideal efficancy of this combination
Two cars travel in the same direction along a straight highway, one at a constant speed of 55 mi/h and the other at 70 mi/h. How far must the faster car travel before it has a 15-min lead on the slower car
A car starts from rest and travels for 5.0 s with a uniform acceleration of +2.3 m/s2. How fast is the car going at the end of the braking period
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