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lesantik [10]
2 years ago
6

PLEASE HELP The graph shows the amplitude of a passing wave over time in seconds (s). What is the approximate frequency of the w

ave shown?
A.6 Hz
B.0.3 Hz
C.0.7 Hz
D.3 Hz
Physics
2 answers:
d1i1m1o1n [39]2 years ago
7 0

Answer:

F = 0.3\ Hz

Explanation:

Given

See attachment for the graph

Required

Determine the frequency

Frequency (F) is calculated as:

F = \frac{1}{T}

Where

T = Time to complete a period

From the attachment, the wave complete a cycle or period in 3 seconds..

So:

F = \frac{1}{3s}

F = 0.333\ Hz

F = 0.3\ Hz --- Approximated

Gnesinka [82]2 years ago
4 0

Answer:

0.3Hz

Explanation:

I took the test :)

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If a bullet loses 1/nth of its velocity while passing through a plank,then no of planks required to stop the bullet is?
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Based on the answer provided, it seems the writer wanted you to assume that the energy loss per plank is constant. This is not the same as the bullet losing <span><span>1/nth</span><span>1/nth</span></span><span> of its velocity per plank (however, the fact that the question does not mention this assumption arguably makes the question ambiguous).

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</span></span></span>
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Otherwise, if you assume that the bullet loses <span><span>1/<span>nth</span></span><span>1/<span>nth</span></span></span><span> of its velocity per plank, then the answer is </span><span><span>N=∞</span></span><span><span>

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