0(t) = 3t2 + 5, where 0 is in radians. Find the radial (arad) and the tangential accelerations (atan) at t=2 seconds if the radius of the wheel is r = 0.5m. Select one: O a. arad = 6; atan = 6 O b. arad = 12; atan = 24 O C. Arad 12; atan = 6 O d. arad = 72; atan = 36 O e. arad = 36; atan = 12 O f. arad = 72; atan = 6 O g. arad = 72; atan = 3 O h. arad = 6; atan = 12

0(t) = 3t2 + 5, where 0 is in radians. Find the radial (arad) and the tangential accelerations (atan) at t=2 seconds if the radius of the wheel is r = 0.5m. Select one: O a. arad = 6; atan = 6 O b. arad = 12; atan = 24 O C. Arad 12; atan = 6 O d. arad = 72; atan = 36 O e. arad = 36; atan = 12 O f. arad = 72; atan = 6 O g. arad = 72; atan = 3 O h. arad = 6; atan = 12

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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Concept explainers

Angular speed, acceleration and displacement

Angular acceleration is defined as the rate of change in angular velocity with respect to time. It has both magnitude and direction. So, it is a vector quantity.

Angular Position

Before diving into angular position, one should understand the basics of position and its importance along with usage in day-to-day life. When one talks of position, it’s always relative with respect to some other object. For example, position of earth with respect to sun, position of school with respect to house, etc. Angular position is the rotational analogue of linear position.

Question

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The angular position of a point on the rim of a rotating wheel is given as a function of time:
0(t) = 3t2 + 5, where 0 is in radians. Find the radial (arad) and the tangential accelerations (atan) at t=2 seconds if the radius of the wheel is
r = 0.5m.
Select one:
O a. arad
6; atan = 6
O b. arad = 12; atan = 24
C. arad =
12; atan = 6
O d. arad = 72; atan = 36
O e. arad = 36; atan = 12
O f. arad = 72; atan = 6
O g. arad = 72; atan = 3
O h. arad = 6; aţan = 12

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