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lara31 [8.8K]
2 years ago
10

How long would it take a leopard, running at an average speed of 20 m/s to travel 500 m?

Physics
1 answer:
alexandr1967 [171]2 years ago
4 0

Answer:

25 seconds

Explanation:

500/20

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Since sinusoidal waves are cyclical, a particular phase difference between two waves is identical to that phase difference plus
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nπ + π/2 for any integer n

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I believe it’s 60km/h

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How does the kinetic energy of an object affect the speed of an object?
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8 0
3 years ago
9. A wave on Beaver Dam Lake passes by two docks that are 40.0 m apart.
Kobotan [32]

Answers:

a) 10 m

b) time=1.6 s, frquency=0.625 Hz

c) 6.25 m/s

Explanation:

a) If there is a crest at each dock and another three crests between the two docks, and the wavelength \lambda is the distance between to crests; this means we have 4\lambda in 40 m:

40 m=4\lambda

Clearing \lambda:

\lambda=\frac{40 m}{4}

\lambda=10 m

b) This part can be solved by a Rule of Three:

If 10 waves ---- 16 s

1 wave ----- T

Then:

T=\frac{(1 wave)(16 s)}{10 waves}

T=1.6 s This is the period of the wave

On the other hand, the frequency f of the wave has an inverse relation with its period T:

f=\frac{1}{T}

f=\frac{1}{1.6 s}

f=0.625 Hz This is the frequency of the wave

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v=\frac{\lambda}{T}

v=\frac{10 m}{1.6 s}

Finally:

v=6.25 m/s

4 0
3 years ago
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