Question

IV. Very short answer type questions.
1. What is the SI unit of time?
2. How much time to be taken by a pendulum to complete one oscillation?
3. How does a body covering unequal distances in equal intervals of time?
4. Name the device that is used by the Romans to measure time.
5. What do you say it when a car is moving at a constant speed?
V. Short answer type questions.
1. How are distance, time and speed of a moving object related to each other?
2. Convert 36 km/h to m/s.
3. When is an object said to be in non-uniform motion?
4. What do you mean by the time-period of a pendulum?
5. Define speed of a body.
VI. Long answer type questions.
1. Distinguish between uniform motion and non-uniform motion.
2. Shatabdi express takes 6 hours to travel from New Delhi to Lucknow, at a speed of 80 km/h.fr
the distance between the two cities.
3. A pendulum takes 20 seconds to complete 10 oscillations. Find its time-period.
4. Find the average speed of a car if it travels 300 km in 6 hours.
5. The table given below shows the distance of a car with time.​

Answer 1

Explanation:

IV) 1) Second

2) Time Period

3) Uniform Motions

4) Clocks.

5)