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How many electrons N does it take to make a charge of -1.0 C? A current of 1.2 A passes through a wire for 1.3 minutes. How much total charge ‘q' has been transported? How many electrons N have been transported? Please use the appropriate number of significant figures in your answer. Suppose that the negative terminal of a 1.5 V cell is designated as ground. What electrical potential energy ‘'(delta)U'' would an electron have at the positive terminal? Also answer the same question for a proton instead of an electron. Consider a 5.0 V battery connected in series with two resistances of 250 ? and 340 ?. Draw the circuit and calculate the current through and voltage across each resistor. Use your answers to check that Kirchhoff's Voltage Loop Rule holds.
At a shooting competition, a contestant fires and a 13.0 bullet leaves the rifle with a muzzle speed of 130. what is the magnitude of the impulse on the target
Point particle a with mass ma is moving in the positive x direction and collides with stationary point particle b with mass mb. Prove that it is not possible for a to “stick” to b so that both particles move together as a single object after the coll..
Air at atmospheric pressure (101 KPa) is to be compressed to one-sixth of its original volume. At what pressure will the air be if its temperature is unchanged?
For a rough calculation, we shall assume that the doctor is 50 from the baby (she is likely to be even closer at delivery), has a mass of 75.00, and can be modelled as a uniform sphere.
Fraunhofar double slit diffraction pattern is observed onthe focal plane of a lens of focal length 0.5m;wavelength ofincident light used is 500nm; Find the distance between their centres
A water droplet of radius 0.015 mm remains hanging stationary in the air. If the electric field of Earth is 100 N/C, how many electrons must the water droplet lack? In which direction the electric field of Earth must be directed for that problem to m..
The largest stable nucleus has a nucleon number of 209, and the smallest has a nucleon number of 1. what is the ratio (largest/smallest) of the surface areas of these spheres
Consider the video tutorial you just watched. Suppose that we repeat the experiment, but this time we replace the original 56- magnet with a more powerful magnet of the same mass.
Two masses are connected by a light string that goes over a light, frictionless pulley. determine the maximum height attained by the 2.1-kg mass
1 explain why an object too far from the motion detector will produce an incorrect distance reading?2 look up an
Heat engines take input energy in the form of heat, use some of that energy to do work, and exhaust the remainder. Determine the magnitude of the heat the athlete gives off
Monochromatic light strikes a diffraction grating at normal incidence before illuminating a screen 3.00 m away. what is the distance between the two second-order maxima
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