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