How high does it rise above the point of free

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Q. Two cars move toward each other at the same speed. One car emits a frequency of 400.0 Hz which the other car hears at 500.0 Hz. How fast is each car going?

Q. A 0.250 kg block on a vertical spring with a spring constant of 500x 10^ N/m is pushed downward, compressing the spring 0.100m. when released, the block leaves the spring and travels upward vertically. how high does it rise above the point of release.

Reference no: EM1363069

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