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

College Physics
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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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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.
Transcribed Image Text: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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