Question

The displacement y of a particle executing periodic motion is given by y = 4 cos² (t/2) sin (1000t). This expression may be considered to be a result of superposition of the following number of harmonic motions.
(a) two
(b) three
(c) four
(d) five​

Answer 1

Answer:

$\huge\pink{AnSwer}$

The displacement y of a particle executing periodic motion is given by y = 4 cos² (t/2) sin (1000t). This expression may be considered to be a result of superposition of the following number of harmonic motions.

(a) two

$\rm\underline\bold{B)\:three \red{\huge{\checkmark}}}$

(c) four

(d) five

Answer 2

Answer:

Your answer is (b) Three

Explanation:

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