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Three identical freight cars are sitting on the tracks, each separated by a small distance. A fourth car is coasting with velocity 4 m/s. The moving car collides and couples to the first stationary car. Those two then couple to the next car, and finally they couple to the last car. Assuming no friction,
A. How does the momentum of the four cars traveling together compare to the momentum of the first moving car?
B. How fast are the four cars moving?
For the typical volume charge density I? = -1.1 A? 10-3 C/m3, what is the difference in the electric potential between the pipe's center and its inside wall
a wooden carving has 1/2 g of carbon in it and the 14C decay rate has been measured to be 4 decays/min. how old is the carving
A He-Ne laser beam with an intensity of 1.00 103 W/m2 is incident from air to dense flint, Find the intensity of the beam transmitted into the dense flint
The temperature of a 2.8 m copper pipe is raised from 46?C to 873?C. What is its change in length
What is the instantaneous power, at a time of 0.00700 seconds, dissipated by a 200 ohm resistor in a resonant AC circuit powered by a generator with a 21.0 V greatest potential difference operating at 5000 rad/s .
A ball and bat, approaching one another each with the same speed of 1.1 m/s collide. Find the speed of the ball after the collision. find the factor by which the kinetic energy of the ball increases
Calculate the electrostatic force exerted on the point charge by the cylinder and what level of uncertainty would be acceptable in the initial position? You may assume that the uncertainty in all other parameters is negligible
A charge of 5.00 (mew)C is placed at each corner of a square 0.100m on a side. Determine the magnitude and force on each charge
q1. a swimming pool has dimensions 50.0 m multiplied by 15.0 m and a flat bottom. when the pool is filled to a depth of
A 0.05 kg bullet traveling at 600 m/s hits a 7.4 kg block of wood and stays in the wood. What is the velocity (speed)of the wood block
The object to be viewed is placed 2mm beyond the focal point of objective lens. What is the overall magnification of this microscope.
(a) In what direction are the electrons deflected? toward the negative plate toward the positive plate (b) By how much are the electrons deflected after passing through these plates?
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