Question

1. Basic unit of time
2. The to and fro motion of a simple pendulum is called _________ motion
3. the distance per unit time
4. the metallic ball in the simple pendulum
5. the instrument used in vehicles for measuring the speed
6. the instrument used in vehicles for measuring the distance
7. One billionth of a second

Answer 1

Answer:

1. second

2.oscillatory

3.speed

4.bob

5. speedometer

6.odometer

7. 1 nanosecond