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46. Engineering Application:A suspension bridge oscillates with an effective force constant of 1.00 × 10* N/m. (a) How much energy is needed to make it oscillate with an amplitude of o.10o m? (b) If soldiers march across the bridge with a cadence equal to the bridge's natural frequency and impart 1.00 × 104 Jof energy each second, how long does it take for the bridge's oscillations to go from o.100 m to o.500 m amplitude?

46. Engineering Application:A suspension bridge oscillates with an effective force constant of 1.00 × 10* N/m. (a) How much energy is needed to make it oscillate with an amplitude of o.10o m? (b) If soldiers march across the bridge with a cadence equal to the bridge's natural frequency and impart 1.00 × 104 Jof energy each second, how long does it take for the bridge's oscillations to go from o.100 m to o.500 m amplitude?

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46. Engineering Application:A suspension bridge oscillates with an effective force constant of 1.00 × 10% N/m. (a) How much energy is needed to make it oscillate with an amplitude of o.100 m? (b) If soldiers march across the bridge with a cadence equal to the bridge's natural frequency and impart 1.00 × 10“ J of energy each second, how long does it take for the bridge's oscillations to go from o.100 m to o.500 m amplitude?
Transcribed Image Text:46. Engineering Application:A suspension bridge oscillates with an effective force constant of 1.00 × 10% N/m. (a) How much energy is needed to make it oscillate with an amplitude of o.100 m? (b) If soldiers march across the bridge with a cadence equal to the bridge's natural frequency and impart 1.00 × 10“ J of energy each second, how long does it take for the bridge's oscillations to go from o.100 m to o.500 m amplitude?
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