44% ) Sun Nov 12 10:08 AM WeeyPLUS WileyPLUS: MywileyPLUSI Netfix I Contact Us I

Question

44% ) Sun Nov 12 10:08 AM WeeyPLUS WileyPLUS: MywileyPLUSI Netfix I Contact Us I Log Ou Halliday, Fundamentals of Physics, 10e PHYS PRI OF NANO SCIENCE 1 (NENG126 Assignment Gradebook ORION Downloadable eTextbook ent MESSAGE MY INSTRUCTOR FULL SCREEN PRINTER VERSTONBACK Chapter 13, Problem 017 Your answer is partially correct. Try again. (a) What will an object weigh on the Moon's surface if it weighs 200 N on Earth's surface? (b) How many Earth radi must this same object be from the center of Earth if it is to weigh the same as it does on the Moon? Take into account the Table below, ir Mass (kg) Radius Body Ceres" Earth's moon Earth Jupiter Sun Sirius B Neutron star 1.17× 101 7.36 x 102 5.98 x 10 1.90× 1027 1.99 x 10 3.8× 105 1.74 × 10 637 × 106 7.15 × 10, 6.96 × 108 1 x 10 2× 1030 2 x 10 I x 104 (a) N 33.333333 (b) Number 2.4 Units Earth radi

Explanation / Answer

here,

weight on earth ,W = 200 N

mass , m = W/g = 20.4 kg

a)

the weight on Moon , W' = W/6 = 33.3 N

b)

let the distance from the center of earth be r

equating the forces

W' = G * M * m /r^2

33.33 = 6.67 * 10^-11 * 5.98 * 10^24 * 20.4 /r^2

solving for r

r = 9 * 10^7 m = 14.2 * re

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