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A 0.155 kg projectile is fired with a velocity of +702 m/s at a 1.94 kg wooden block that rests on a frictionless table. The velocity of the block, immediately after the projectile passes through it, is +42.9 m/s. Calculate the velocity with which the projectile exits from the block.
A certain electric motor draws a current of 46Awhen connected to 120 V. What is the motor's power consumption
A charge of -5.29 nC is uniformly distributed on a thin square sheet of non conducting material of edge length 23.3 cm. What is the surface charge density of the sheet?
The vertical displacement of particles in a string (when a wave is propagating through it) is given by y = (0.02) sin[(10?)t - (8?)x], What is the amplitude of the wave
A cylinder contains a mixture of helium and argon gas in equilibrium at a temperature of 145°C. What is the rms speed of each type of molecule
A 2.50 g bullet, traveling at a speed of 465 m/s, strikes the wooden block of a ballistic pendulum. The block has a mass of 275 g. What is the speed of the bullet/block combination immediately after collision.
What is the change in velocity from 1 second to 5 seconds? How much time did it take to change that velocity?
A 3.65 kg particle is located on the x-axis at xm =?8 m, find the coordinate of the center of mass of this two-particle system
The upward normal force exerted by the floor is 700 on an elevator passenger who weighs 720. What is the reaction force to weight of the passenger
A bullet of mass 8.80 x 10-3 kilogram, moving at 1250 m/s impacts a tree stump and penetrates 4.00 centimeter into the wood before coming to rest. If the similar force acted on the bullet and it had the equal impact speed but half the mass, calcul..
A tortoise can run with a speed of 0.12m/s, and a hare can run 20 times as fast. How long does the race take
When a concave mirror is located facing the sun, the suns rays converge to a point 10 centimeter from the mirror. Estimate what would be the nature and height of the image
Two astronauts of equal mass 76 kg are holding on to opposite ends of a straight rope in space. The length of the rope between them is 18meters. What is the new angular velocity of the two astronauts
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