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A compact disk on a CD player rotates clockwise. The disk completes one revolution in 0.234 s, what is the angular velocity of the disk and its speed at 1.42 cm from the axis of rotation?
The position of an object connected to a spring varies with time according to the expression x = (5.8 cm) sin(9.5?t), Find the period of this motion
After landing on an unfamiliar planet, a space explorer constructs a simple pendulum of length 46.0 cm. What is the value of the acceleration of gravity on this planet
Two converging lenses, each of focal length 14.5 cm, are placed 59.2 cm apart, and an object is placed 27.4 cm in front of the first. Where is the final image relative to the second lens formed
A dockworker applies a constant horizontal force of 72.0N to a block of ice on a smooth horizontal floor, What is the mass of the block of ice
A 18.2 omegacap.gif resistor, 8.7 omegacap.gif resistor, and a 4.3 omegacap.gif resistor are connected in parallel to a 12 V battery. Determine the current delivered by the battery
A ball of mass 0.440 kg moving east (+x direction) with a speed of 3.80 m/s collides head-on with a 0.580 kg ball at rest. what will be the speed and direction of each ball
A proton (mass 1.67 x 10^27kg) is moving at 1.55 x 10^6m/s directly toward a stationary helium nucleus (mass 6.64 x 10^27kg). what is the helium's velocity
The potential difference between two parallel conducting plates in vacuum is 475 V, What is the kinetic energy of the alpha particle when it reaches the other plate
Two insulating spheres having a radii of 0.44cm and 0.64cm, masses 0.16kg and 0.49kg, How fast is the smaller sphere moving when they collide
a car starts at rest. it then accelerates at a rate of 1.3 ms east for 8.2 seconds. if itcontinues as this new velocity
A golf ball is a struck with a club. The force in the ball varies from zero when contact is made up to maximum value, What is the mass of the golf ball
In a proton accelerator, the energy of proton is 20MeV, the diameter of the beam is 2.0mm, Find the current density and the particle density in the beam
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