Question

Please give me the answer:

1) An instrument fitted in vechile to measure the speed.
2) The time taken by a pendulum to complete one oscillation.
3) S.l. unit of time.
4) The Dutch scientist who made the pendulum clock.
5) Watch used to the measure exact time taken during the event.​

Answer 1

Answer:

speedometer

..

second

gallilio

stopwatch

Answer 2

Answer:

1) speedometer

2) the time for one oscillation is the period

3) seconds

4) Christiaan Huygens

5) stopwatch

please rate my answer and mark me brain list