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zloy xaker [14]
2 years ago
13

What is a meteorite?

Physics
1 answer:
Andru [333]2 years ago
5 0

what is a meteorite?

space debris that enters earth's atmosphere

space debris that reaches earth's surface

debris that is floating in space

space debris that make a fireball in earths's atmosphere

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Question 1 Multiple Choice Worth 2 points)
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A sinusoidal transverse wave travels along a long, stretched, string. the amplitude of this wave is 0.0885 m, it's frequency is
timofeeve [1]

Answer:

(a) 0.177 m

(b) 16.491 s

(c) 25 cycles

Explanation:

(a)

Distance between the maximum and the minimum of the  wave = 2A ............ Equation 1

Where A = amplitude of the wave.

Given: A = 0.0885 m,

Distance between the maximum and the minimum of the wave = (2×0.0885) m

Distance between the maximum and the minimum of the wave = 0.177 m.

(b)

T = 1/f ...................... Equation 2.

Where T = period, f = frequency.

Given: f = 4.31 Hz

T = 1/4.31

T = 0.23 s.

If 1 cycle pass through the stationary observer for 0.23 s.

Then, 71.7 cycles will pass through the stationary observer for (0.23×71.7) s.

= 16.491 s.

(c)

If  1.21 m contains  1 cycle,

Then, 30.7 m will contain (30.7×1)/1.21

= 25.37 cycles

Approximately 25 cycles.

6 0
2 years ago
A ball is thrown straight up from the ground with an unknown velocity. It reaches its highest point after 5.5 s. With what veloc
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V = u + at
0 = u -9.8 x 5.5
u = 9.8 x 5.5 = 53.9 m/s
5 0
3 years ago
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