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