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A 3.0 kg particle with velocity v = (5.0 m/s) i -(6.0 m/s) j is at x = 3.0 m, y = 8.0 m. It ispulled by a 7.0 N force in the negative x direction.
a) What is the angular momentum of the particle about theorigin?b) What torque about the origin acts on the particle?c) At what rate is the angular momentum of the particlechanging?
In proton-beam therapy, a high-energy beam of protons is fired at a tumor, What is the total charge of the protons that must be fired at the tumor to deposit the required energy
An electron passes through a point 3.75 cm from a long straight wire as it moves at 36.1% of the speed of light perpendicularly toward the wire. Find the magnitude of the electron\'s acceleration at that point
One end of a 30 cm long aluminum rod with diameter 2 cm is kept at 460*C while the other end is held in water at 25*C. Find the rate of heat conduction along the rod
A balloon is rubbed with a wool glove. The two items attract one another with a force of strength 0.6 N, How many electrons were transferred
question 1 silver has a resistance of 0.00198 ohms. what voltage would produce a current of 100 a?question 2 find the
A metal ball with a mass of 2.97·10-6 kg and a charge of +4.91 mC has a kinetic energy of 6.81·108 J. how close will it come to the plane before stopping
An AC generator has 90 rectangular loops on its armature. Each loopis 15 cm long and 6 cm wide. The armature rotates at 1200 rpm about an axis parallel to the long side. If the loop rotates in a uniform magnetic field of 0.6 T, which is perpendicu..
A 4.00kg block is suspended from a spring withk=560N/m. A50.0g bullet is fired straight up into the block from directly below with a speed of168m/s, Find the amplitude of the resulting simple harmonic motion
When violet light of wavelength 415 nm falls on a single slit, it creates a central diffraction peak that is 8.80 cm wide on a screen that is 2.50m away
Quarks carry spin 1/2. Three quarks bind together to make a baryon (such as the proton or neutron); two quarks (or more precisely a quark and an anti-quark) bind together to make a meson (for example the pion or the kaon). Suppose the quarks are i..
Two trains on separate tracks move toward each other. Train 1 has a speed of 115 km/h; train 2 a speed of 62.0 km/h. What is the frequency heard by the engineer on train 1
A parallel-plate air-filled capacitor having area 67 cm^2 and plate spacing 2.0 mm is charged to a potential difference of 700 V. Find the following values. find the magnitude of the charge on each plate
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