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KIM [24]
3 years ago
6

Garrett throws a large rock into a waveless pond. The impact of the rock hitting the water causes waves to travel along the pond

's surface toward the shore. If Garrett counts the number of waves that reach the shore over a 10 second period, what property of the waves is he measuring?
Physics
2 answers:
jeka943 years ago
8 0

Answer:

Frequency

Explanation:

aev [14]3 years ago
7 0
The number of waves arriving at the same place in a fixed amount
of time is directly related to the frequency of the waves.
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Gnom [1K]

Answer:

a.) 1567.2 m/s

b.) 149.4 m/s

Explanation:

Given that a 26 kg body is moving through space in the positive direction of an x axis with a speed of 350 m/s when, due to an internal explosion, it breaks into three parts. One part, with a mass of 7.8 kg, moves away from the point of explosion with a speed of 180 m/s in the positive y direction. A second part, with a mass of 8.8 kg, moves in the negative x direction with a speed of 640 m/s.

The x-component of the third part can be calculated by assuming that it moves in a positive x axis.

The third mass = 26 - ( 7.8 + 8.8)

The third mass = 26 - 16.6

The third mass = 9.4kg

since momentum is conserved, the momentum before explosion will be equal to sum of the momentum after explosion

26 x 350 = -8.8 x 640 + 9.4V

9100 = -5632 + 9.4V

9.4V = 9100 + 5632

9.4V = 14732

V = 14732/9.4

V = 1567.2 m/s

(b) y-component of the velocity of the third part will be

7.8 x 180 = 9.4 V

1404 = 9.4V

V = 1404/9.4

V = 149.4 m/s

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Is Heredity nature or nurture?
Luden [163]
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Answer:

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Explanation:

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Force of lift  = 25N

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Time  = 12s

Unknown:

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Slav-nsk [51]

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Explanation:

Hope this helps : )

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