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An object moving in a circular trajectory experiences both centripetal and tangential accelerations. Can the two accelerations ever cancel each other out?

An object moving in a circular trajectory experiences both centripetal and tangential accelerations. Can the two accelerations ever cancel each other out?

College Physics
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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Please answer both as they are very simple. If you can't answer between 24 minutes then please reject the question so I can get back my question. Thank you.

QUESTION 5 An object moving in a circular trajectory experiences both centripetal and tangential accelerations. Can the two accelerations ever cancel each other out? Yes. No. Whaaaaaat?!!! Only if the plane of the trajectory makes an angle with the vertical.
Transcribed Image Text:QUESTION 5 An object moving in a circular trajectory experiences both centripetal and tangential accelerations. Can the two accelerations ever cancel each other out? Yes. No. Whaaaaaat?!!! Only if the plane of the trajectory makes an angle with the vertical.
QUESTION 7 A particle at point (2,3) has a velocity v = (3î + 5ĵ) m/s. It moves with constant acceleration of a = ( – 1.5î – 4.5 ĵ ) m/s². What are its coordinates after 4 seconds? (5,4) Impossible to calculate from given data. O (57 – 4.57) m (2, -13)
Transcribed Image Text:QUESTION 7 A particle at point (2,3) has a velocity v = (3î + 5ĵ) m/s. It moves with constant acceleration of a = ( – 1.5î – 4.5 ĵ ) m/s². What are its coordinates after 4 seconds? (5,4) Impossible to calculate from given data. O (57 – 4.57) m (2, -13)
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