Question

please help me with this physics question​

Answer 1

Answer:

$522 {4}^{4 { {26}^{2} }^{4} } \sqrt{15}$

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Answer 2

Answer:

(i) True

(ii) True

(iii) True

(iv) False

(v) False

(vi) True

Explanation:

(i) Hz is a measure of rotations per second.

(ii) Genetically females have a higher pitch to their voices.

(iii) They convert chemical energy into electricity.

(iv) To let the bell make the noise when pressed, it needs to be an impermanent magnet.

(v) The image seen in a plane mirror is inverted.

(vi) A black object will be black in any light because black absorbs any light coming towards it.