Question

In a two dimensional motion, instantaneous speed
vₒ is a positive constant. Then which of the
following are necessarily true?
(a) The average velocity is not zero at any time
(b) Average acceleration must always vanish
(c) Displacements in equal time intervals are equal
(d) Equal plan lengths are traversed in equal
intervals

Answer 1

Answer:

(d)Equal path lengths are transversed in equal intervals.

Explanation :

• As speed is a scalar quantity, hence it will be related with path length(scalar quantity only)

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Answer 2

Explanation:

In a two dimensional motion, instantaneous speed

vₒ is a positive constant. Then which of the

following are necessarily true?

(a) The average velocity is not zero at any time

(b) Average acceleration must always vanish

(c) Displacements in equal time intervals are equal

(d) Equal plan lengths are traversed in equal

intervals

Option D