Question

observe motion of an object around you .record distance travelled and time taken. make a distance time graph ​

Answer 1

Answer:

observe motion of an object around you .record distance travelled and time let us consider an example of uniform motion. A bus driver drives at a constant speed which is indicated by the speedometer and the driver measures the time taken by the bus for every kilometre. The driver notices that the bus travels 1 kilometre in every 2 minutes.

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Answer 2

Answer:

element is a pure substance consisting only of atoms that all have the same numbers of protons in their atomic nuclei. Unlike chemical compounds, chemical elements cannot be broken down into simpler substances by chemical means.