(Answered) 1 errorsthe time it takes to go from rest to 30 mph at

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1. Errors:

The time it takes to go from rest to 30 mph at constant deceleration can be measured to an accuracy of 1%. What is the percentage uncertainty in the distance travelled?

2. Proportionality:

Particles in a synchrotron lose energy by radiation at a rate proportional to the square of their energy. Which loses a larger fraction of its energy more quickly: higher or lower energy particles?

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