Lightning occurs when there is a flow of electric charge (principally electrons) between the ground and a thundercloud. The maximum rate of charge flow in a lightning bolt is about 20,000 C/s; this lasts for 100 ms or less. How much charge flows between the ground and the cloud in this time? How many electrons flow during this time?
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Lightning occurs when there is a flow of electric charge (principally
electrons) between the ground and a thundercloud. The maximum
rate of charge flow in a lightning bolt is about 20,000 C/s; this
lasts for 100 ms or less. How much charge flows between the ground
and the cloud in this time? How many electrons flow during this time?
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- First questionThe velocity selector shown below allows a 2 µC charged particle to pass through without being deflected as long as its velocity is v = 5,500 m/sec. Which of the following statements are True/False? positive plate X X X X X X X X X X X X X ľo X negative plate X X X If v = 4,500 m/sec, a negative charge deflects left. True If v = 6,500 m/sec, a positive charge deflects right. | True If B is increased, all negative charges with v = 5,500 m/sec deflect left. False Any charged particle traveling at 5,500 m/sec passes through undeflected. True If E is increased, all positive charges with v = 5,500 m/sec deflect right. | True Note: you MUST complete all sentences before submitting.One type of ink-jet printer, called an electrostatic ink-jet printer, forms the letters by using deflecting electrodes to steer charged ink drops up and down vertically as the ink jet sweeps horizontally across the page. The ink jet forms 35.0 μm-diameter drops of ink, charges them by spraying 800,000 electrons on the surface, and shoots them toward the page with a horizontal velocity of 17.0 m/s. Along the way, the drops pass through the long axis of two horizontal, parallel electrodes that are 6.0 mm long, 4.0 mm wide, and spaced 1.0 mm apart. The distance from the center of the electrodes to the paper is 1.90 cm. To form the letters, which have a maximum height of 6.0 mm, the drops need to be deflected up or down a maximum of 3.0 mm. Ink, which consists of dye particles suspended in alcohol, has a density of 800 kg/m³. 3 E D 80 C $ 4 R 888 F4 F V % 5 FS T ^ G 6 B Part A What electric field strength is needed between the electrodes to achieve this deflection? Express your answer with…
- Which of the following statements is false for a conductor in electrostatic equilibrium. a. The charge on the conductor is always distributed uniformly throughout the conducting material b. The electric potential inside the conductor is constant. c. The electric field at the surface of the conductor is perpendicular to the surface everywhere. d. The electric field inside the conducting material is zero. e. Any excess charge resides solely on the surface of the conductor.Please Help ASAP!!!!An electron is launched from the surface of a charged sphere of diameter 5.90 cm. If the sphere has been charged to 9.90 nC what is the escape velocity of the electron? 1.23×107 m/s 3.26×107 m/s 7.75×107 m/s 8.10×1012 m/s
- You are working in a laboratory, using very sensitive measurement equipment. Your supervisor has explained that the equipment is also very sensitive to electrical discharge from human operators. Specification tables for the equipment indicate that an electrical discharge providing even a very small amount of energy of 250 μJ is enough to damage the equipment. Your supervisor wants to install an apparatus that will be used to remove the electrical charge from individuals’ bodies before they touch the equipment. To do this, she asks you to estimate (a) the capacitance of the human body and determine (b) the charge on the body and (c) the electric potential of the body, relative to a point infinitely far away, corresponding to the energy transfer that will damage the equipment.You and your colleagues have been tasked with launching a weather balloon into the Earth's stratosphere via rocket ship. In order to reduce fuel usage to meet with newly imposed fuel-consumption regulations, you are hoping to use the electric interaction between charges to your advantage. You have decided on the design below. You are able to place two Q = 1.98 C charges in the rocket ship and into the launching platform so that they are separated by a distance of yo = 2.93 m. You are allowed enough fuel to boost the rocket to an initial speed of vo = 309 m/s without accounting for the extra boost from the charges. The rocket on its own has a mass of 2.095x104 kg. The more equipment you can attach to your weather balloon (which is inside the rocket), the better. What limit do you put on the mass of the weather balloon and attached equipment? You may want to know the formula for gravitational potential energy for an object of mass m and height h: Egray = mgh, where g=9.81 m/s?. Edge of…