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The loading dock at the Walmart where you work has a bumper to protect it from mistakes by truck drivers. One icy day a truck with a total mass of 4500 kg is backing into the dock at 1.95 m/s when it loses all traction and slides into the bumper. If the bumper has a spring constant of 1.50 x 105 N/m, how much will it be compressed when the truck stops moving backwards? Give your answer in meters to three significant digits.
A boy kicks a soccer ball to the right. A graph of Force on the y axis and time on the x axis shows the force on the ball reaches 100N from time 0 - .1 s, What is its final speed of the ball before it hits the ground
A proton is fired from far away toward the nucleus of a mercury atom. Mercury is element number 80, and the diameter of the nucleus is 14.0 fm. If the proton is fired at a speed of 3.4×107m/s , what is its closest approach to the surface of the nucle..
A small sphere with a mass of 4.00 x 10-6 kg and carrying a charge of 5.00 x 10-8 C hangs from a thread near a very large, charged insulating sheet. Find the angle of the thread
A long straight metal rod has a radius of 2.0 millimeter and a surface charge of density 0.40 nC/m2. Obtain the magnitude of the electric field 3.0 millimeter from the axis
Write a two pages research paper on the major different types of nuclear reactors. Be sure to include ones inside and outside the United States.
The wheel of a car has a radius of .350 m. the engine of the car applies a torque of 295 Nxm to this wheel that does not slip against the road surface.
Two people start at the same place and walk around a circular lakein opposite directions. How long will it be before they meet
A 2.00-g charged particle is released from rest in a region that has a uniform electric field vector E = (580 N/C) i hat. Determine the charge of the particle
If the tennis racket and ball are in contact for 9.3 milliseconds, find the average force that the racket exerts on the ball? Define how does this compare to the gravitational force on the ball
the potential energy of two atoms in a molecule can be approximated by the morse functionuraer-rs-12 -1nbspwhere r is
A small object is placed to the left of a convex lens and on its optical axis. The object is 30 cm from the lens, which has a focal length of 48 cm. Describe the nature of this new image
What credible cosmological models, besides the Big Bang, are out there, and what are their implications for the age of the Universe
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