6. Considering two vectors Ā and B subtended by an angle 8, the magnitude of Ā.B is a기A|삐cose b) |Ã||B|sin® d) none of these 7. Ifi is the unit vector of the X- axis then .. a) ixi = -1 b) ixi = 0 c) ixî = 1 d) ixi = 2 8. The average velocity of a moving particle is given by: a) 25 d) None At 9. A ball is thrown vertically upwards, at maximum high the velocity is: a) Minimum b) 0 c) maximum d) Vo 10. In the one-dimensional motion with constant acceleration (a), the final velocity is: a) v=V, - at b) v=V, + at c) v=v, + at? d) v=V, - at² |当

College Physics
11th Edition
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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6. Considering two vectors A and B subtended by an angle 0, the magnitude of A.B is
a)|Ä||B|cos®
b) |Ä||E]stn©
cose
d) none of these
7. Ifi is the unit vector of the X- axis then
a) ixī = -1
b) ixĩ = 0
c) ixi = 1
d) ixi = 2
8. The average velocity of a moving particle is given by:
Ax
a) 25
b)
At
d) None
Ax
9. A ball is thrown vertically upwards, at maximum high the velocity is:
a) Minimum
b) 0
c) maximum
d) Vo
10. In the one-dimensional motion with constant acceleration (a), the final velocity is:
a) v=Vo - at
b) v=Vo + at
c) v=Vo + at?
d) v=v, - at?
Transcribed Image Text:6. Considering two vectors A and B subtended by an angle 0, the magnitude of A.B is a)|Ä||B|cos® b) |Ä||E]stn© cose d) none of these 7. Ifi is the unit vector of the X- axis then a) ixī = -1 b) ixĩ = 0 c) ixi = 1 d) ixi = 2 8. The average velocity of a moving particle is given by: Ax a) 25 b) At d) None Ax 9. A ball is thrown vertically upwards, at maximum high the velocity is: a) Minimum b) 0 c) maximum d) Vo 10. In the one-dimensional motion with constant acceleration (a), the final velocity is: a) v=Vo - at b) v=Vo + at c) v=Vo + at? d) v=v, - at?
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