Question

A bicycle is moving with a speed of 40 km/h and after its speed becomes 50 km/h. Find
its average speed.

Answer 1

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• Galileo Galilei—The Father of Science.
• Science is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe. The earliest roots of science can be traced to Ancient Egypt and Mesopotamia in around 3000 to 1200 BCE.