State which of the following statements are true and which are false. Give reasons for your answers. a ) If you rub a children's balloon on a cat, it will then stick to the cat. This is an electrostatic effect. b) A galvanometer can be converted to a voltmeter by adding a large resistance in parallel to the galvanometer . c ) Radioactive decay is predictable , so that e.g. a uranium atom will decay when it is 4 billion years old. d) Sharp lines in the emission spectra of a gas discharge lamp are due to excited electrons falling back to lower states. e) Kinetic energy KE = 1/2 * m * v ^ 2 is just a first approximation from E = m * c ^ 2 = ym0 * c ^ 2

Draw an example of the following and explain. 1. Charging by Friction 2. Charging by Conduction 3. Charging by Induction

In your own words, describe how electrically neutral bodies become charged by the ff. methods: 1. Rubbing or friction 2. Conduction 3. Induction 4. In your own words, summarize the process of two of the virtual experiments. 5. In what ways are electrostatic charging useful in the development of technology? Give 5 example. GOD BLESS YOU ALL

Derived the following formula according to what is being asked. A. Get the value of Q from the given formula below. Q B. If E= Fe/qand F= q1q2/ r2, what would be the value of E, if you will expand it using the given value of force from Coulomb's formula? c. Obtain the value of E from the (B) problem and the area of a sphere, which represents A in the given formula, and then expand the formula of 0=E-A. D. Obtain the value of E from the (B) problem and the area of a cylinder, which represents A in the given formula, and then expand the formula of 0=E-A.

Describe your approach to determining the distance between the electron and proton in an atom if the potential energy U of the electron is known to be 14 eV. a. Use Coulomb's law. b. Use the definition of electrostatic potential energy U of one point charge q at position r in the presence of an electric potential. O c. Use Newton's second law. O d. Use the law of conservation of energy.

Please help me answer my hw. Tysm. Instruction: Explain all answers in 6-7 sentences. 1. Explain the concept of charging in the phenomena of thunder and lightning. 2. Explain the process of photocopying using the concept of electrostatics.

DIAL 1 0 9 1 6 4 6 4 6 5 5 4 6 6 4 21. Based from the reading above in the electric meter, what is the value of the number of Kilowatt hour? a. 23825 b. 23824 c. 33825 d. 24825 22. If the previous reading is 22158, how many kilowatt-hour is consumed? a. 1667 b. 1668 c. 2668 d. 2667 23. If the cost of energy consumption is P 8.5 per kilowatt-hr, how much is the energy consumption in Pesos? a. P14,169.5 b. P 14, 178 C. P 22, 678 d. P22, 669.5 DIAL 5 O - A DIAL 4 2 3 O 87 7 7 DIAL 3 2 3 3 DIAL 2 88 7/7 2 3

State which of the following statements are true and which are false. Give reasons for your answers. a) A very simple circuit consists of a battery connected across a resistor. In this circuit, the battery and the resistor are both in series and also in parallel. b) A resistor R and a capacitor C connected in series combine as = + c) Natural uranium is not radioactive until it has been processed by enrichment for use in fission reactors or bombs. d) Infrared light is more likely to cause electrons to be emitted from a metal than ultraviolet light. e) Special and General Relativity effects both matter for the operation of GPS, the former slow- ing down the clocks on GPS satellites relative to clocks on Earth and the latter speeding them up.

a) A charged object has 95 protons, 146 neutrons, and 109 electrons on it. a) What is its overall charge (C) (be sure to include the sign!). b)Determine the ISOTOPE of the charged object and explain your reasoning?

Please fill out the template with the work for this problem. Note that you need to have a picture, a list of knowns and unknowns, the general equation/s you will use, and the math steps to solve for the unknown, Only plug in the numbers after you have solved for the unknown, and the answer with units included. Problem 1:   A negative charge of q = -8.3 × 10-17C and m = 1.2 × 10-26 kg enters a magnetic field B = 1.3 T with initial velocity v = 410 m/s, as shown in the figure. The magnetic field points into the screen. Calculate the magnitude of the magnetic force F on the charge, in newtons.