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Explain how in ancient time a day, a month and a year were measured.
A child is on see-saw, what kind of motion he have and why? Explain.
How do we know an object is moving faster compared to the speed of another object?
Define uniform speed and average speed.
Explain instantaneous speed.
Explain four types of motion with examples.
How can you say that motion and rest are relative?
What are quartz clocks?
What do you mean by non-uniform speed?
Define velocity along with its unit.
If a car is moving with a speed of 5Km/h on highway then find the distance travelled by the car in 4 hours?