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The drawing shows a device that can be used to measure the speed ofa bullet. The device consists of two rotating disks, separated by adistance of d = 0.750 m, and rotating with an angular speed of 70.0rad/s. The bullet first passes through the left disk and then through the right disk. It is found that the angular displacement between the two bullet holes is θ = 0.360 rad. From these data, determine the speed of the bullet.
A charge of +q is located at the origin, while an identical charge is located on the x axis at x = 0.60 m. Where should the third charge be located
A sledge loaded with bricks has a total mass of 17.8 kg and is pulled at constant speed by the rope inclined at 20.4° above the horizontal. The sledge moves a distance of 20.7 m on a horizontal surface. The coefficient of kinetic friction between ..
The fastest recorded pitch in Major League Baseball was thrown by Nolan Ryan in 1974. If this pitch were thrown horizontally, How fast was Ryan's pitch
Three resistors, 2.57ohm, 2.51ohm, and 4.45ohm, are connected in series across a 24.4-V battery
An orangutan throws a coconut verticallyupward at the foot of a small cliff 40m high while his matesimultaneously drops another coconut from the top of the cliff. Thetwo coconuts collide at an altitude of 20m.
A nucleus is moving in the direction at 4.8x10^5 m/s when it decays into an alpha particle (4He) and a 234Th nucleus. what is the speed of the thorium nucleus
Ordinary glasses are worn in front of the eye and usually 2.00{\rm cm} in front of the eyeball. What focal length lenses are needed to correct his vision
A car accelerates from rest to a kinetic energy of 1.65 x 10^5 Joules in a distance of 646 m. How much force did the car's engine deliver to produce the change in kinetic energy.
Two earthquake waves of the same frequency travel through the same portion of the Earth, What is the ratio of the amplitudes of the two waves
Some birthmarks can be removed by exposure to 585 nm laser light. Pulses are strongly absorbed by hemoglobin in the capillaries in the birthmark, What is the power of the laser pulse
q1. a heavy rope used for as a mooring line for a cruise ship sags a shown. if the mass of the rope is 96 kg what are
Two cicadas, Chirpy and Milada, jump from the top of a vertical cliff. Chirpy just drops and reaches the ground in 3.10 , while Milada jumps horizontally with an initial speed of 98.
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