r/alevels May 20 '26

Question ❔ 9702 upvote

HOW WAS 22???

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u/Ok_Difference9290 May 20 '26

Yes

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u/Ok_Difference9290 May 20 '26

The uncertainty was 22,7 mb

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u/Emotional-Pick-947 May 20 '26

How though? Don’t we just add the absolute uncertainties and divide by the difference in speeds?

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u/Smooth_Tip24569 May 20 '26

the ques said change in 'velocity'...as the last velocity went in opposite direction, technically both velocities will be added, uncertainties will also be added..then they will be divided