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-2v m/s², 4. A particle moving along a straight line is subjected to a deceleration a = -2 where v is in m/s. If it has a velocity v = 8 m/s s = 10 m when t = 0, determine its velocity.

-2v m/s², 4. A particle moving along a straight line is subjected to a deceleration a = -2 where v is in m/s. If it has a velocity v = 8 m/s s = 10 m when t = 0, determine its velocity.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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3. A ball is released from the bottom of an elevator which is travelling upward with a velocity of 6 m/s. The ball strikes the bottom of the elevator shaft in elevator shaft in 3s. Determine the height of the elevator from the bottom of the shaft to the instant the ball is released, and find the velocity of the ball when it strike the bottom of the shaft.
Transcribed Image Text:3. A ball is released from the bottom of an elevator which is travelling upward with a velocity of 6 m/s. The ball strikes the bottom of the elevator shaft in elevator shaft in 3s. Determine the height of the elevator from the bottom of the shaft to the instant the ball is released, and find the velocity of the ball when it strike the bottom of the shaft.
4. A particle moving along a straight line is subjected to a deceleration a = −2v m/s², where v is in m/s. If it has a velocity v = 8 m/s s = 10 m when t = 0, determine its velocity.
Transcribed Image Text:4. A particle moving along a straight line is subjected to a deceleration a = −2v m/s², where v is in m/s. If it has a velocity v = 8 m/s s = 10 m when t = 0, determine its velocity.
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