A vehicle travels from Mathura to Delhi with a speed of 50 kmh-1and returns to Mathura with a speed of 75 kmh-1. The distance between Delhi and Mathura is 200 km.Calculate : (i) Average Speed(in kmh-1)(ii) Average Velocity( in kmh-1)
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Answer:
2x=20y(−30)
Step 1: Divide both sides by 2.
2x/2=−600y/2
x=−300y
Answer:
x=−300y
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Answer:
Mostly petroleum is used as a source of energy, being rich in fuel carbon in electricity generation or running some kinds of heat engines. Raw petroleum (also known as crude oil) is used in three main ways: transport, generating electricity, and producing materials.
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