A ball's momentum is known to within 2% and its mass to within 1%. Its kinetic energy is then worked out as p²/2m. By what percentage, at most, can that kinetic energy be wrong?

PhysicsMediumHigh School (11–12)Mechanics › Units and Measurement

A ball's momentum is known to within $2\%$ and its mass to within $1\%$ . Its kinetic energy is then worked out as $\dfrac{p^2}{2m}$ . By what percentage, at most, can that kinetic energy be wrong?

Type your answer as a number (a decimal point is allowed). A wrong answer may cost marks.

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