what is meant patch cards..
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assuming friction is negligible, if a lever has a mechanical advantage of 5, how much effort in newtons is needed to lift a 10 newton load?
Explain the Hard water?
You want to magnetize a metal. How would you do that?
hmmm by using of our saliva we can produce current?
What do you mean by newton meter?
Explain Conductors ?
What are the characteristics of dead stars?
A burn from steam is more painful than that from boiling water. Why ?
How is the index of refraction computed?
What is the normal temperature of the human body ?
What is Metals ?
What does gravitational force depend on?