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Question: Give brief, compact answers to each of the following. Use specific facts, equations, or diagrams to support your answers.
a. Explain why we think that there is such a particle as the "electron."
b. Explain how Millikan's measured value of e can be used to find both Avogadro's number and the mass of the electron.
c. What is the evidence for thinking that atoms are electrical in nature?
A string is attached to an overhead beam. If you put a mass of 170 gram on it, and it proceeds to stretch a distance of 7 centimeter, Find what is the magnitude of the downward acceleration
A ball (mass m = 250 g) on the end of an ideal string is moving in circular motion as a conical pendulum as in the figure in the previous problem. The length L of the string is 1.8 m and the angle with the vertical is 37o . What is the magnitude o..
A billiard ball moving at 5.00 m/s strikes a stationary ball of the same mass. find the struck ball's velocity after the collision
two long and parallel straight wires a and b carrying currents of 8.0 a and 5.0 a in the same direction are separated
Monochromatic light falling on two slits 0.019mm apart produces the fifth-order bright fringe at an 8.3degree angle. What is the wavelength of the light used
the drawing shows two situations in which charges are placed on the x and y axes. they are all located at the same
a small metal sphere q1 carrying a net charge of -2.60microc is held in a stationary position by insulating supports.
A metal ball bearing 1.0 cm above the bead feels a 0.035 N downward electric force, What is the charge on the ball bearing
Two point charges of equal magnitude are placed 2m apart. Each attracts the other with a force of 9 µN.
A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.65 104 m/s, What is the orbital speed of the second satellite
a star of mass 2.0 x 1031 kg that is 4.4 x 1020 m from the center of a galaxy revolves around that center once every
A simple pendulum is swinging back and forth during a small angle, its motion repeating every 1.18 s. How much longer must the pendulum be made in order to increase its period by 0.22s?
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