1(a) Which quantity has the unit, Watts (W)? Express this unit in base SI units.(i.e kg, m and s)(b) A particle moves from position A to position B in the following Cartesiancoordinate system. (Not drawn to scale)(i)B-76(ii)7Fig Q1bFind the displacement vector AB.(ii) Using dot product, find the angle that the displacement vector AB makewith the x axis.(c) The position of a particle (in m) is as followed.7 = 6 î+ 0.8t² kA(i)Find the velocity of the particle and explain why the particle is moving ina rectilinear motion (i.e moving in a straight line).Find the speed of the particle when t = 1.5 s.(iii) Draw the motion graph of the particle for the first 1.5 seconds.

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Which quantity has the unit, Watts (W)? Express this unit in base SI units. (i.e kg, m and s)

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter10: Rotational Motion

Section: Chapter Questions

Problem 26P

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Question

1(a) Which quantity has the unit, Watts (W)? Express this unit in base SI units.
(i.e kg, m and s)
(b) A particle moves from position A to position B in the following Cartesian
coordinate system. (Not drawn to scale)
(i)
B
-7
6
(ii)
7
Fig Q1b
Find the displacement vector AB.
(ii) Using dot product, find the angle that the displacement vector AB make
with the x axis.
(c) The position of a particle (in m) is as followed.
7 = 6 î+ 0.8t² k
A
(i)
Find the velocity of the particle and explain why the particle is moving in
a rectilinear motion (i.e moving in a straight line).
Find the speed of the particle when t = 1.5 s.
(iii) Draw the motion graph of the particle for the first 1.5 seconds.

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