Question

In the figure, point P is at rest when it is on the x-axis. The linear speed of point P when it reaches the y-axis is closest to у 0 = 0.010 rad/s2 p O 2.0 m х (a) 0.18 m/s. (c) 0.35 m/s. (b) 0.24 m/s. (d) 0.49 m/s.​

Answer 1

Answer:

c

Explanation:

use the equation:

$2 \alpha s = w {}^{2} - (wo) {}^{2}$

s = angular displacement which we can observe from figure is 90° or pi/2 radians

alpha = angular acc. = 0.01 rad/s2 ( given)

w = final angular velocity ( to find)

wo = initial angular velocity = 0

so 2 X 0.01 X pi/2 = w2 - 0

w2 = 0.0314

w = v/r

v2/r2 = 0.0314

v2 = 4 X 0.0314

v = 0.35 m/s ( appx )

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Answer 2

Answer:

Answer to this question is 0.35 m/s

Explanation:

Please check the attached image

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