Recent content by Bluepie97

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    What Causes Radioactive Materials and How Are Atoms Affected?

    Homework Statement Marie curie referred to radioactivity as an invisible radiation that exposed photographic plates. What causes materials to be radioactive and what part of the atom is affected. Homework Equations none The Attempt at a Solution cosmic rays and fallout? The electrons are...
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    Are Energy Changes in Chemical Reactions Similar to Those in Radioactivity?

    Homework Statement in what ways are energy changes which occur in chemical reactions similar to those which occur in radioactivity? how are they different? Homework Equations none. The Attempt at a Solution Both have energy changes. The protons are different??
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    Finding work with displacement and weight.

    Ok :) thanks for your help. glad to be a part of the community now.
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    Finding work with displacement and weight.

    w Earth = 24.5 (units) w moon = 4.08 (units)
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    Finding work with displacement and weight.

    Ok think i fixed it up a bit. 5 x g (planet) = f w = f x .5
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    Finding work with displacement and weight.

    Homework Statement Steve lifts a 5.0kg toolbox 0.5 meters off the ground. Compare the amount of work that would be done on Earth to the amount that would be done on the moon. Homework EquationsThe Attempt at a Solution (no idea what i am doing) work = force x displacement x = (5/a) (.5) cos 9.8
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