Answered: A particle starts from rest and travels…

A particle starts from rest and travels along a straight line with an acceleration, a = (30 – 0.2v) ft/s² where v is in ft/s. Determine the time when the velocity of the particle is v = 30ft/s.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter26: Relativity

Section: Chapter Questions

Problem 12P: A car traveling at 35.0 m/s takes 26.0 minutes to travel a certain distance according to the drivers...

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Concept explainers

Relative Velocity

It is a measurement of an object with regards to the other object which is moving or stable or stationary. For example, if we are traveling in a bus and the bus is moving at speed of 50km/hr, then our speed is according to the nearby passenger on the bus is zero. According to them, we are not moving. But if one person standing on the ground or road observes us from outside of the bus, according to him we are moving at a speed of 50km/hr and the bus is also moving at a speed of 50km/hr. Now, the motion is recognized by the observer, it depends on a frame of reference or observer. This is motion called relative motion.

Question

4. A particle starts from rest and travels along a straight line with an
acceleration, a = (30 – 0.2v) ft/s² where v is in ft/s. Determine the
time when the velocity of the particle is v = 30ft/s.

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