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Step2247 [10]
3 years ago
9

From where does the penny that is launched into the air get its energy

Physics
1 answer:
ad-work [718]3 years ago
6 0
When the elastic potential energy in the ruler was released it gave energy to the coin thus launching into the air. The coin got its kinetic energy from the ruler
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A force F=0.12N is aplied on spring and spring elongates by 3cm . specific constant of spring ​
PilotLPTM [1.2K]

The spring constant is 4 N/m

Explanation:

When a spring is stretched/compressed by the application of a force, the relationship between the magnitude of the force applied and the elongation of the spring is given by Hooke's law:

F=kx

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F is the magnitude of the spring applied

k is the spring constant

x is the elongation of the spring, relative to its equilibrium position

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F = 0.12 N (force applied)

x = 3 cm = 0.03 m (elongation of the spring)

Therefore, we can solve the formula for k to find the spring constant:

k=\frac{F}{x}=\frac{0.12}{0.03}=4 N/m

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Two north poles will blank
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