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A 5.00 kilogram small bullet is fired horizontally into a 1.20-kilogram wooden block resting on a horizontal surface. The coefficient of kinetic friction between surface and block is 0.20. The bullet remains embedded into the block, which is observed to slide 0.230 meter along the surface before stopping. Compute what was the initial speed of the bullet?
find the magnitude of the acceleration of the boy. Find the average magnitude of the induced emf if the change in shape occurs in 4.14 s, and the local 0.120 T magnetic field is perpendicular to the plane of the loop.
What is the mass of nitrogen in an nitrogen tank at 20C if the tank has a volume of 0,20m^3 and nitrogen pressure in the tank is 4,0 x 10^6 N/m^2
A 5.00 kg block carrying a charge Q=60.0?C is connected to a spring for which k=100N/m (see diagram below). The block lies on a frictionless horizontal track, What is the equilibrium position of the block
The strength of the magnetic field within a solenoid is B = 3.4 × 10-2 T, single loop is placed in the solenoid parallel to the plane of each loop in the solenoid, What is the total number of turns of the solenoid
A 28.4kg beam is attached to a wall with a hinge and its far end is supported by a cable. what is the horizontal component of the force exerted by the hinge on the beam
Each is afraid that one vine will break; as a result they grab each other and hang on. They swing upward together, reaching a point where the vines make an angle of 22.1° with the vertical. Find the value of the ratio m/M.
question a metal sphere is insulated electrically and is given a charge. if 25 electrons areadded to the sphere in
q1. a spaceship of mass 2.50806 kg is to be accelerated to a speed of 0.820c.a what minimum amount of energy does this
A helium-neon laser of the type frequently found in physics laboratories has a beam power of 7.00 mW at a wavelength of 633 nm. Evaluate the force exerted on this sphere
A 1400 wrecking ball hangs from a 20 -long cable. The ball is pulled back until the cable makes an angle of 30.0 with the vertical. By how much has the gravitational potential energy of the ball changed?
a closed and elevated vertical cylindrical tank with diameter 1.70 m contains water to a depth of 0.800 m . a worker
In recent years, a number of nearby stars have been found to possess planets. Suppose, the orbital radius of such a planet is found to be 3.1 1011 m, with a period of 1140 days
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