Answered: 1)The Moon takes 27.3 days to complete…

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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1)The Moon takes 27.3 days to complete one revolution around the Earth (sidereal month). Assuming the orbit is circular with a radius of 3.85 × 108 m, calculate the centripetal acceleration experienced by the Moon. 2)A particle describes a circular trajectory with a radius of 0.4 m and its speed is constant. Knowing that it performs five revolutions per second, determine: -its speed. -its acceleration. 3)A hunter uses a stone held by a strap (sling) as a weapon to capture prey that strays from him. The stone rotates above him in a uniform circular motion 1.60 m in diameter, the frequency of which is three revolutions per second. -What is the centripetal acceleration of the stone? -How fast will the stone leave the slingshot? Ps: the picture is the first question answer.

1
alleleration centripéte
(2R)²
T = 27₁3 jour = 27,3 ×
+= 236 x 106 8
R = 3085 x 10³ m
VCV=2MB
+
a=
IS phone
R
a = 4₁₁²³²R =
+²
USER
na
60x60 seconds
4x (3.14) 3-85 % 10²
(2.36×106)2
a=2.73x163 m/²

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