H2P-213

Combining uncertainties

H2 Physics · JC 1 · Easy · Combining uncertainties

The period

T

of a simple pendulum is given by

T = 2π\sqrt{l/g}

. A student measures

T

and

l

with fractional uncertainties

ΔT/T

and

Δl/l

. What is the fractional uncertainty in

T^2/l

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