217 prompts matching "Assuming a machine can be one hundred per cent efficient"
Let me explain: The random nature of radioactive decay
I have just studied the random nature of radioactive decay in my SS2 Physics class. Let me
Exam prep: Carbon dating and how it works
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Real-life Nigeria: Radioisotopes in Nigerian medicine and agriculture
Act as my SS2 Physics tutor. Show me where radioisotopes in Nigerian medicine and agricult
Let me explain: The earth's magnetic field and what causes it
I have just studied the earth's magnetic field and what causes it in my SS2 Physics class.
Exam prep: The earth's gravitational field and its effects
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Real-life Nigeria: Why the earth is able to support life
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Let me explain: Kepler's laws of planetary motion
I have just studied Kepler's laws of planetary motion in my SS2 Physics class. Let me expl
Exam prep: The origin of the solar system and the theories about it
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Real-life Nigeria: Eclipses of the sun and of the moon explained
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Let me explain: The life cycle of a star
I have just studied the life cycle of a star in my SS2 Physics class. Let me explain it ba
Exam prep: The sun as a typical star
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Real-life Nigeria: How starlight tells us what stars are made of
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Let me explain: The expanding universe and red shift
I have just studied the expanding universe and red shift in my SS2 Physics class. Let me e
Exam prep: Cosmic microwave background radiation
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Real-life Nigeria: Telescopes, and how we observe the universe
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Let me explain: The nuclear atom and radioactivity reviewed
I have just studied the nuclear atom and radioactivity reviewed in my SS2 Physics class. L
Real-life Nigeria: The SS2 Physics topics I still need to practise
Act as my SS2 Physics tutor. Show me where the SS2 Physics topics I still need to practise