Over a time interval of 1.52 years, the velocity of a planet orbiting a distant star reverses direction, changing from +20.5 km/s to -15.8 km/s. Find (a) the total change in the planet's velocity (in m/s) and (b) its average acceleration (in m/s2) during this interval. Include the correct algebraic sign with your answers to convey the directions of the velocity and the acceleration. (a) Number 27752 I Inits

Over a time interval of 1.52 years, the velocity of a planet orbiting a distant star reverses direction, changing from +20.5 km/s to -15.8 km/s. Find (a) the total change in the planet's velocity (in m/s) and (b) its average acceleration (in m/s2) during this interval. Include the correct algebraic sign with your answers to convey the directions of the velocity and the acceleration. (a) Number 27752 I Inits

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Distance and Speed

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Question

Over a time interval of 1.52 years, the velocity of a planet orbiting a distant star reverses direction, changing from +20.5 km/s to -15.8
km/s. Find (a) the total change in the planet's velocity (in m/s) and (b) its average acceleration (in m/s2) during this interval. Include the
correct algebraic sign with your answers to convey the directions of the velocity and the acceleration.
(a) Number i -3775.2
(b) Number i -7.58
Units
Units
m/s
m/s^2

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