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1. A mass of 10,000 kg with charge plus one is blocked against a mass of 25 kg, also with charge plus one. (Like charges repel). Nothing is moving. The blocks are released and the masses fly apart. The smaller mass goes at 2000 m/s. What is the velocity of the larger mass?
2. A 50 ton tank with a shield (10^8 lbs) is shown in the figure. It is motionless. A 500 lb projectile is fired with a muzzle velocity of 3000 ft/sec. It strikes the shield, does not penetrate, but fuses with it. The tank is initially motionless.
a) What is the momentum of the combination system after fusion?
b)what is the velocity of the tank immediately after firing?
A centrifuge is a device in which a small container of material is rotated at a high speed on a circular path. Such a device is usedin medical laboratories, for instance, to cause the more dense redblood cells to settle through the less dense bloo..
you drive due east at 85km/h for 50min. then you follow a road going 60 degrees south of east, going 90km/h for another 30min. Find your total displacement
A 0.520 kg block of wood hangs from the ceiling by a string, and a 0.0700 kg wad of putty is thrown straight upward, How high does the putty-block system rise above the original position of the block
Find (a) the wavelength in the medium, (b) the optical path length, and (c) the phase difference after moving that distance, with respect to light travelling the same distance in a vacuum.
A 60.0-g object is attached to a horizontal spring with a force constant of 15.0 N/m, What is the velocity of the object when it is halfway to the equilibrium position if the surface is frictionless
Two particles are fixed on an x axis. Particle 1 of charge 51.50 μC is located at x = -33.2 cm; particle 2 of charge Q is located at x = 10.10 cm. Particle 3 of charge magnitude 37.7 μC is released from rest on the y axis at y = 11.30 cm.
The maximum tension that a 0.5m string can tolerate is 14N. A 2.5kg ball is attracted to the string being whirled in a vertical circle. What is the maximum speed the ball can have at the top of the circle.
At t=0 this field is pointing in the x direction, but it rotates counterclockwise in the x-z plane with angular frequency ω, so that at any later time t this field is at an angle ωt relative to the x-axis:Calculate the probability that at a later t..
Outline what you know about Plasmonics and what you know about Raman spectroscopy and surface enhanced Raman spectroscopy
Two kids who are bored while waiting for their flight at the airport decide to race from one end of the 20 meter long moving sidewalk to the other and back. Determine by how much time does the winner win
A 66.0-kg skier starts from rest andslides down a 33.0-m frictionless slopethat is inclined at an angle of 15.0° with the horizontal.Ignore air resistance. >> If the slope is not frictionlessand the skier has a velocity of 4 m/s,
on one particular shot, his 1.00 g pellet gets stuck in the cheese, causing it to slide 25 cm before coming to a stop. If the muzzle velocity of the gun is 64m/s and cheese has a mass of 98 g, what is the coefficient of friction between the cheese..
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