Question

• (a) The time period of a second's pendulum is
2 s. What is the length of pendulum?
(b) If a boy finishes a race, when this
pendulum makes 30 oscillations, in case
of second's pendulum, what is the time
taken by the boy in seconds to finish the
race?
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Answer 1

Answer:

THIS ATTACHMENT WILL HELP YOU

Explanation:

Answer 2

Explanation:

a) oscillation - a single to and fro motion of a pendulum .

b) pendulum - a ball of mass suspended through a thread .

c) speed - distance covered in unit time

d) odometer - which records the total distance covered by the vehicle .