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Two carts A and B are moving towards each other. A has a mass of 2.0 kg and a velocity of 50 m/s while B has a mass of 4.0 kg and a velocity of -25 m/s. They suffer a completely inelastic collision. Find
a) The final velocity of the two carts.
b) The kinetic energy lost during the collision.
A 1.0 μF capacitor has a potential difference of 6.0 V applied across its plates. how much additional energy does the capacitor store
An infinitely long uniformly charged cylinder of radius R is shown. (a) Using symmetry arguments, sketch the shape of the electric field of the cylinder. (h) Use Gauss's Law to show that the electric field magnitude within the cylinder is
A student throws a ball vertically upward such that it travels 6.5m to its maximum height. What is the ball's average velocity
What is the intensity level in decibels for a sound with an intensity of 2.35×10-4 W/m2, What is the intensity for a sound with an intensity level of 79.9 dB
A wheel (radius=0.20m) is mounted on a frictionless , horizontalaxis.A light cord wrapped around the wheel supports a0.50kg object. What the moment of the wheel
at a distance of 16 m from a busy highway the sound intensity level is 66 db. how far away from the highway would you
The femur is a bone in the leg whose minium cross-sectional area is about 4.20 10-4 m2. A compressional forcein excess of 6.90 104 N will fracture this bone.
A proton travels with a speed of 4.90 106 m/s at an angle of 57° with the direction of a magnetic field of magnitude 0.160 T in the positive x-direction. determine the magnitude of the magnetic force on the proton
A laptop communicates with a router wirelessly, by means of radio signals. compute how many bits are downloaded to the laptop in the time it takes the wireless signal to travel from the router to the laptop
A proton moves eastward in the plane of Earth's 5x10^-5 T magnetic equator so that its distance from the ground is constant
A simple pendulum is made from a L long string and a small ball, mass=m, attached to its free end, Write the lenght of the curve s(t) and specify the time period for small oscillations
q1. a 36.0 g bullet moving at 478 ms strikes a 3.7 kg bag of flour that is on ice at rest. the bullet passes during the
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