: 45% Sun Nov 12 10:07 AM I Contact Us I Log WileyPLUS: MywileyPLUS Halliday, Fu

Question

: 45% Sun Nov 12 10:07 AM I Contact Us I Log WileyPLUS: MywileyPLUS Halliday, Fundamentals of Physics, 10e PHYS PRI OF NANO SCIENCE 1 (NENG12 ice Assignment Gradebook ORION Downloadable eTextbook nent MESSAGE HY INSTRUCTOR PULL SCREEN PRINTER VERSION BACK Chapter 13, Problem 029 The figure gives the potential energy function Ur) of a projectile, plotted outward from the surface of a planet of radius Rs. What least kinetic energy is required of a projectile launched at the surface if the projectile is to "escape the planet? R, -1 -2 -5 Number Units the tolerance is +/-296 LINK TO TEXT LINK TO SAMPLE PROBLEM LTNK TO SAMPLE PROBLEM MATH HELP ey accessing this Question Assistance, you will learn while you earn points based on the Point Potential Policy set by your

Explanation / Answer

to escape, at surface total ME = PE+ KE = 0

at surface, PE = - 5 x 10^9 J

so Kinetic energy reuqired = - PE(at R)

= 5 x 10^9 J

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