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Leto [7]
3 years ago
8

2. What is the total effect of sound produced in an enclosed space called?

Physics
1 answer:
Igoryamba3 years ago
6 0
I believe it is Acoustics, the real name for it would be like Reverberation. But go with Acoustics. :)
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Explanation:

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a) True

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A carton is given a push across a horizontal, frictionless surface. The carton has a mass m, the push gives it an initial speed
sammy [17]

Answer and Explanation:

Data provided in the question

Carbon mass = m

Initial speed = v_i

Coefficient = μk

Based on the above information, the expressions are as follows

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As we know that

Fd = \frac{1}{2} m (v_i^2- v_f^2)

where,

v_f = 0

F = u_kmg

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d = \frac{\frac{1}{2}v_i^2}{\mu_kg}

d = \frac{v_i^2}{2 \mu_kg}

b. The initial speed of the carton if the factor of 3 risen, so the expression is

v_i^1 = 3v_i

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= \frac{9v_i^2}{2\mu_kg}

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