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xxTIMURxx [149]
3 years ago
5

Please answer these!

Physics
1 answer:
malfutka [58]3 years ago
3 0

10, 11 and 14:

speed = (frequency)x(wavelength)

12: wavelength=(speed)/(frequency)

13 and 15:

frequency = (speed) / (wavelength)

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Read 2 more answers
sonic is sliding down a frictionless 15m tall hill. He starts at the top with a velocity of 10m/s. At the bottom of the hill he
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Answer:

The maximum speed of sonic at the bottom of the hill is equal to 19.85m/s and the spring constant of the spring is equal to (497.4xmass of sonic) N/m

Energy approach has been used to sole the problem.

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The maximum velocity of sonic is independent of the his mass or the geometry. It is only depends on the vertical distance involved

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The step by step solution to the problem can be found in the attachment below. The principle of energy conservation has been applied to solve the problem. This means that if energy disappears in one form it will appear in another.

As in this problem, the potential and kinetic energy at the top of the hill were converted to only kinetic energy at the bottom of the hill. This kinetic energy too got converted into elastic potential energy .

x = compression of the spring = 0.89

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