Questions
Which of the following is a null vector
a) velocity vector of a body moving in a circle with a uniform speed
b) velocity vector of a body moving in a straight line with a uniform speed
c) position vector of the origin of the rectangular coordinate system
d) displacement vector of a stationary object
detailed solution
Correct option is D
A null vector has zero magnitude and no specified direction.So option -(4) is correctTalk to our academic expert!
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A car travels 8 km along east, then 15 km along north and then , km towards south-west. What will be the displacement from the starting point ?
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