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A 20 metric ton train moves toward the south at 40 m/s.
At what speed must it travel to have two times its original momentum? A metric ton is 1000 kg.
At what speed must it travel to have a momentum of 4 x 105 kg · m/s?
If there were a speed limit for this train as it traveled through a city, but not a weight limit, what mass must be added to the train to slow it down to 15 m/s while at the same time keeping the momentum the same as in the second part?
The motion of a particle is given by x= Asin^3(wt). What is the expression for the particle's velocity
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A charge of -1.0 µC is located at the origin, a second charge of 2.6 µC is located at x = 0, y = 0.1 m, Find the forces that act on each of the three charges
a truck moving at 13.3 m/s hits a concrete wall. what is the average force exerted on the wrench by the wall
The tension in a string is 15 N and its linear density is0.085 kg/m. What is the speed and wavelength of the wave
a 0.305-kg mass is attached to a spring with a force constant of 13.0 nm. if the mass is displaced 0.252 m from
You toss a ball straight up. When it leaves your hand, it is 1.5 meter above the floor. Compute how fast was it going when it left your hand
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Assume that the water pressure at the bottom of a tree is -0.1 MPa and that the water pressure at the top of the tree is -1.5 MPa. What will be the maximum height of the tree
One possible concern with MRI is turning the magnetic field on or off too quickly. Bodily fluids are conductors, and a changingmagnetic field could cause electrical currents to flow through the patient. Suppose a typical patient has a maximum cros..
A pitcher claims he can throw a 0.150 kilogram baseball with as much momentum as a 1.60 gram bullet moving with a speed of 1.50 x 103 meter per second. Obtain what must the baseball speed be if the pitcher's claim is valid
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