Answered: If the distance between two objects is…

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter15: Electric Forces And Electric Fields

Section: Chapter Questions

Problem 3P: Rocket observations show that dust particles in Earths upper atmosphere are often electrically...

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1. If the distance between two objects is doubled, the gravitational field strength is a) half b) one fourth c) double d) four times 2. If the charge of a point source is 0.500 C, then the electric field strength at a distance of 0.250 m from the point source is a) 8.99 x 10⁹ N/C b) 1.80 x 10¹⁰ N/C c) 4.50 x 10¹⁰ N/C d) 7.19 x 10¹⁰ N/C 3. scientists have theorized using long conducting wire, the space station must be ____ relative to a _____ field a) stationary, magnetic b) moving, magnetic c) stationary, gravitational d) moving, gravitational 4. A 6.74 x 10^22 kg planet in space is 9.11 x 10^5 m from a moon orbiting it. In N/kg, what is the gravitational field strength of the planet on the moon? ______ N/kg 5. The total resistance provided by some 3.50 Ω speakers connected in parallel is 1.17 Ω. How many speakers are connected? (Round to the nearest whole number). 6. a string of lights consists of 50 LED bulbs connected in a series. the resistance of each bulb is 7.50Ω. The total resistance provided by the bulbs is ____ Ω. 7. If the power consumed by a 4.00 Ω speaker is 160 W, then the current that flows through the speaker is a) 0.0250 A b) 0.158 A c) 6.32 A d) 40.0 A 8. If a stereo operates at a maximum power of 160 W for 2.00 hr, then the electrical energy consumed is a) 0.0222 J b) 80.0 J c) 320 J d) 1.15 x 10^6 J 9. O3 (g) + electromagnetic radiation ----> O2 (g) + O (g) . The form of electromagnetic radiation that brings about the change to the ozone molecule in the chemical reaction is a) gamma ray b) radio wave c) inferred radiation d) ultraviolet radiation 10. Observing organisms in a pond is often difficult because of the bending of light at the water's surface. This bending of light is called a) polarization b) refraction c) reflection d) diffraction Please answer it all must have explanation per number if not just skip this question idc aboutbartleby rules

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