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Explain the findings from Rutherford's alpha particle scattering experiment.

Rutherford's alpha scattering experiment showed that the majority of alpha particles fired at a thin sheet of gold leaf passed straight through. Some of the particles passed through the leaf with a small ang...
JA
Answered by James A. • Physics tutor
24901 Views

Simplify: 2x +6y +2y - x

collect x terms together i.e.) 2x - X = 1x and then collect y terms together i.e) 6y + 2y = 8y add your two answers together to get: x + 8y Answer x +8y
SM
Answered by Sophie M. • Maths tutor
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What are SMART targets?

S- specific M- Measurable A- Achievable R- Realistic T- Time bound
SM
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If a and b are the roots of the quadric polynomial 2x^2+6x+7 what are a+b and ab?

The phrase "a and b are roots of 2x^2+6x+7" is just a way of saying that x=a and x=b solve the equation 2x^2+6x+7=0. Check out that by diving by 2 on both sides of this equation we get that that x=...
GC
Answered by Guillermo C. • Maths tutor
3752 Views

How do you analyse a primary source?

The key to analysing a primary source is remembering what it is; it's a source from which we want to get useful historical evidence. But, if it is a primary source, then we must remember that it is completel...
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Answered by Ben F. • History tutor
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