Question

a
GREEN PARK
2.12 A particle moves so that its position vector is
given by r = cos o t + sin ot ġ, where is
a constant. Which of the following is true?
[NEET 2016 PHASE 11
(1) Velocity & acceleration both are
perpendicular to r.
(2) Velocity and acceleration both are parallel
to .
(3) Velocity is perpendicular to ř and
acceleration is directed towards the origin
(4) Velocity is perpendicular to i and
acceleration is directed away from the origin
​

Answer 1

Answer:

idiosyncratic judicial officio judicial i777768

Answer 2

Answer:

3

Explanation:

velocity is perpendicular..................