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Problem: Suppose a van de Graaff generator is turned on and a positive charge builds up on its dome. A grounded conducting wand is brought close to the dome of the Van de Graaff generator and 9.00µC of negative charge arcs from the wand to the dome.
Part A: How many electrons are involved in the arcing process?
I need help to determine how many electrons are involved in the arcing process.
A 200 g ball on a 60 cm long string is swung in a vertical circle about a point 200cm above the floor. The tension in the string when the ball is at very bottom of the circle is 4.4 N.
In a system designed to measure cadmium stored in liver, a person’s liver receives a dose of 125 μGy from fast neutrons and 20 μGy from γ-rays. In addition, 1 % of these doses goes to the whole body.
two point charges are located on the x axis one charge q1 -17.5nc is located at x -1.740m the second charge q2
Calculate the magnitude of the planes acceleration. On a level road with its brakes on, a car traveling at 93 km/hr stops within 87 m when the brakes lock and the car slides.
Consider three identical metal spheres, A, B, and C. Sphere A carries a charge of -4q. Sphere B carries a charge of -9q. How much charge ends up on sphere C
Presume the rear view mirror on a car is convex with a radius of curvature of 21 m. How does your answer change when the motorcycle is 14 m behind the car? If a motorcycle is 49 m behind the car, what is the magnification of the motorcycle?
A commuter train blows its horn as it passes a passenger platformat a constant speed of 40.0 m/s. What is the frequency observed bya person on the platform
A race car is one lap behind the lead car when the lead car has 43 laps to go in a race. If the speed of the lead car is 54.2 m/s, what should be the average speed of the second car to catch the lead car just before the end of the race (i.e. right..
Define the different types of collision. In which are the linear momentum and kinetic energy conserved
sir dudley the dextrous is loading cannons on top of the castles tallest towers in preparation for an expected attack.
a mass spectrometer can detect the different isotopes of an ionized element. if zn2 ions are accelerated through a 10
An aluminum rod is 21.5 cm long at 20°C and has a mass of 350 g. If 14,000 J of energy is added to the rod by heat, what is the change in length of the rod
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