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Two billiard balls, one heading north at 15.0 m/s and a secondheading south at 10.0 m/s, collide head-on. Take the collision tobe perfectly elastic and choose the positive direction north.
What is the post-impact speed of the first ball?What is the post-impact speed of the second ball?
A circular loop of wire with a radius of 15.0 cm and oriented in the horizontal xy-plane is located in a region of uniform magnetic field. A field of 1.2 T is directed along the positive z-direction, which is upward.
Finally a thin rod of mass 7 kg is added between the two particles Since the particles are moving perpendicular to the line separating them, What the angular frequency of rotation of the rod + particles system
A 150 kg rock (density is 2500 kg/m 3 ) is dropped to a lake. Determine how much force the man needs to life the rock from the bottom of the lake
The 1994 Winter Olympics included the aerials competition inskiing. In this event skiers speed down a ramp that slopes sharplyupward at the end. The sharp upward slope launches them into the air, where they perform acrobatic maneuvers.
A disk of radius 217 cm rotates about its axis. Points on the disk\'s rim undergo tangential acceleration of magnitude 2.31 m/s2. what is the tangential speed, v, of a point on the rim
Find the magnitude of the acceration of each block. what is the magnitude of the average force exerted on the ball by the wall.
The graphite in a pencil has a resistivity of 7.84×10^?6 W*m. The graphite's diameter is 0.700 mm and its length is 40.0 mm. Find the resistance of this graphite "wire."
A rocket is fired at a speed of 82.0 m/s from ground level, at an angle of 31.0 ° above the horizontal. find By how much does the rocket clear the top of the wall
A 50 kg person stands at the edge of a 7.4 m diameter circular platform, which is mounted horizontally on frictionless bearings and has a total mass of 300 kg. What is the magnitude of the speed of the person (in m/s) with respect to the ground
Two automobiles drive in the same direction next to the highway. Each moves initially at speed v = 30 meters per second, (that's 67.11 miles per hour) and the distance between them is D meters.
A laser beam is incident on a 600 lines per millimeter diffraction grating. determine angular deflection of the first-order bright fringe
The asymptotic wavelength
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