A harmonic oscillator will have a maximum response when an outside force pushes it at the same frequency at the natural frequency of the oscillator A student drives his old car along a road in which contraction lines are etched in the concrete every 47 meters. The driven finds that his car shakes violently when he drives at 28 m/s. Based on this information, what is the natural frequency of the car's vibrations

emily ruth's annual premium is $1058.50

step-by-step explanation:

emily ruth is a female of 27 years age purchasing 20 year endowment insurance with face value $25000.

from the given table,

for females, the age of a male 3 years younger should be used.

so, we have to check for 24 year male for 20 year endowment.

it is 42.34 for every $1000 face value.

for a face value of $25000,

it is 25 * 42.34 = $1058.50

∴ emily ruth's annual premium is $1058.50

b would be the answer

b.

explanation:

10.0