A particle moves such that its position vector 
where 
is a
constant and 
is time. Then which of the following statements is true for the velocity 
and acceleration 
of the particle:
A
is perpendicular to 
and 
is towards origin B
and 
are perpendicular to 
C
is parallel to 
and 
parallel to 
D
is perpendicular to 
and 
is away from origin.
Text Solution
Verified by ExpertsThe correct answer is:
A
is antiparallel to 
so 
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
Starting from the origin at time , with initial velocity a particle moves in the
plane with a co…
A balloon is moving up in air vertically above a point on the ground. When it is
at a height a gi…
A clock has a continuously moving second's hand of length. The average acceleration of the tip of …
When a car is at rest, its driver sees rain drops falling on it vertically. When driving the car wi…
A particle starts from the origin at with an initial velocity of and
moves in the plane with a c…