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Blocks A (mass 6.50kg ) and B (mass 15.00kg ) move on a frictionless, horizontal surface. Initially, block B is at rest and block A is moving toward it at 10.0m/s . The blocks are equipped with ideal spring bumpers. The collision is head-on, so all motion before and after the collision is along a straight line. Let +x be the direction of the initial motion of A. Find the velocity of each block after they have moved apart. Find the velocity of A.
A toy cannon uses a spring to project a 5.34 g soft rubber ball. The spring is originally compressed by 5.09 cm and has a force constant of 7.98 N/m. With what speed does the projectile leave the barrel of the cannon
A person looks horizontally at the edge of a swimming pool. If its length is 5.00m, and the pool is filled to the surface, to what depth (in m) could observer see? For water is 1.33).
Imagine you are holding an object in your hand with your forearm horizontal and your upper arm vertical so your elbow creates a 90° angle. what force is exerted by the biceps muscle
The magnetic field perpendicular to a circular wire loop 11.2cm in diameter is changed from +0.50Tto -0.33T in 130ms, In what direction does the induced current flow?
Two parallel square metal plates (side length: 13 cm) are separated by a dielectric material with a dielectric constant 3.9 and a thickness of 2.4 mm. Find the energy stored on the capacitor
if a 1.1x1011 n force is applied on each 100.0 m cylinder of aluminum brass and steel with a radius of 10.0 m figure 8
The primary coil of a transformer has 100 turns and its secondary coil has 400 turns. what voltage is present in its secondary coil
A microscope has an eyepiece of focal length 2.00 cm and an objective of focal length 3.00 cm. How far from the eyepiece is the image formed by the objective
A spherical capacitor contains a solid spherical conductor of radius 0.5mm with a charge of 7.4 micro coulombs, surrounded by a dielectric material with er = 1.8 out to a radius of 1.2mm, then an outer spherical non-conducting shell, with variable ch..
A mercury barometer reads 735.0 mm on the roof of a building and 764.5 mm on the ground. determine the height of the building
You have four identical resistors, each with a resistance R. You are asked to connect these four together so that the equivalent resistance of the resulting combination is R. How many ways can you do it
Three identical metal spheres are charged so that sphere A has a charge of 220 ?C, sphere B has a charge of -370 ?C, What is the final charge on each sphere
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