Question

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Answer 1

3. An odometer or odograph is an instrument used for measuring the distance traveled by a vehicle, such as a bicycle or car

4.The formula can be rearranged in three ways:

speed = distance ÷ time.

distance = speed × time.

time = distance ÷ speed

5.meter per second

Answer 2

1) Sunset and sunrise is used for measuring time in ancient time.

2) The SI unit to express speed is $\frac{m}{s}$.

3) Odometer is the instrument which shows how much distance is covered by a car.

4) The formula for speed is $Speed=\frac{distance}{time}$.

5) The SI unit to express speed is $\frac{m}{s}$.

6) A position-time graph is used to represent the motion of the body.

7) The device used to measure small intervals of time is a chronoscope.

8) A simple pendulum is an apparatus where a metal ball is tied to a string and hanged to a firm stand.

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