Ononot — A beam is fixed at one end and has a load P at the other. Th

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Real-World Applicationshard

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A beam is fixed at one end and has a load $P$ at the other. The deflection $\delta$ is $\delta = \frac{PL^3}{3EI}$ . If the length $L$ is doubled and the modulus $E$ is halved, what is the ratio of the new deflection to the old?