Physics, asked by aj2064221, 2 months ago

While measuring the length of a book, the reading of the scale at
one end is 7.0 cm and at the other end is 30 cm. What is the length
of the book? Also express it in SI unit.

Answers

Answered by tasneemthegirl
3

Explanation:

Q7. While measuring the length of a knitting needle, the reading of the scale at one end is 3.0 cm and at the other end is 33.1 cm. What is the length of the needle? Answer: Length of the needle = 33.1 cm – 3.0 cm = 30.1 cm.

Answered by harshpreetkour17
4

Answer:

23 cm

Explanation:

length of the book = 30 cm - 7.0 cm = 23 cm

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