3. Do Newton's Laws of Motion apply to a Water Spout? If so, how?
1 answer:
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Given :
- Wavelength ( λ ) = 2 m
- Speed = 4 m/s
We, have to find frequency :
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Answer:
the answer is A.
Explanation:
Using the laws of newton:
∑F = ma
where ∑F is the sumatory of forces acting in the system, m the mass and a the acelertion of the system.
Then, if the block is moving with constant velocity, its aceleration is equal to 0, so:
∑F = m(0)
∑F = 0
It means that:
F - = 0
where F is the force applied and is the friction force. Replacing the value of F, we get:
310N - = 0
Finally, solving for :