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Two large parallel copper plates 3cm apart have a uniform electric field among them. An electron is released from the negative plate at the same time a proton is released from the positive plate. Neglecting the force on each other, discover the distance from the positive plate when the particles pass each other.
An object made of a single atomic element weighs 2.4500 N in air and 2.1387 N when completely submerged in water. Calculate the density of the object
Illustrates how the forces can vary in problemsof this type. A hiker, who weighs 857 N, is strolling through thewoods and crosses a small horizontal bridge. The bridge is uniform,weighs 4420 N, and rests on two concrete supports, one on each end
in the bohr model of the hydrogen atom an electron moves in a circular path around a proton. the speed of the electron
two crates rest on the floor one next to the other. a man pushes with a horizontal force of 600 n on the larger 50.0 kg
Suppose that you are carrying a suitcase that contains a gyroscope whose large angular velocity is directed horizontally forward. explain what happens to the suitcase
A 0.565-kg ball has an elastic, head-on collision with a second ball that is initially at rest. What is the mass of the second ball
An athlete training for an event does 6.53 104 J of work during a workout and gives off 6.17 105 J of heat, Determine the magnitude of the change in internal energy of the athlete
Suppose we have a "half harmonic oscillator" potential, for example, exactly half of a parabolic potential on the right of the"center" and infinitely high potential barrier to the left of the center.
A radio station broadcasts at a rate of 89.3 million cyces each second. what is the period of this wave and if the wavelength is 3.359 meters, what is the speed of this radio wave
during the spin cycle of your clothes washer the tub rotates at a steady angular velocity of 32.5 rads. find the
What is the magnitude of the total linear acceleration of a piece of metal on the very outer edge of the flywheel 4.1 seconds after it started to rotate
A high-energy pulsed laser emits a 1.0-ns-longpulse of average power 1.7×1011W . The beam is nearly a cylinder 2.5×10?3m in radius and it travels in free space. Determine the energy delivered in each pulse.
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