3 years ago

The discovery that the universe appears to be expanding led to a widely accepted theory called ____?

Physics

2 answers:

Artemon [7]3 years ago

8 0

I believe the answer is c which is hubble’s law.

svet-max [94.6K]3 years ago

5 0

Answer:c hubble's law

Explanation:

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2. A 1.30-m long gas column that is open at one end and closed at the other end has a fundamental resonant frequency 80.0 Hz. Wh

Elina [12.6K]

To solve this problem, it will be necessary to apply the concepts related to the fundamental resonance frequency in a closed organ pipe.

This is mathematically given as

$f_n (2n+1)(\frac{v}{4L})$

For fundamental frequency n is 0, then,

$f_0 = \frac{v}{4L}$

When,

v = Velocity of sound

L = Length,

Rearranging to find the velocity,

$v = f_0 (4L)$

$v = (80Hz)(4)(1.3m)$

$v = 416m/s$

Therefore the speed of sound in this gas is 416m/s

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3 years ago

Which statement about convection is correct?

AlekseyPX

<span>D. Convection occurs when heated particles of a material flow toward areas having less thermal energy. This movement of particles can only occur in gases and liquids, not solids.</span>

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3 years ago

Read 2 more answers

How is p dv a valid integral (it’s an isochoric process) if the variables by definition have to be the same?

denis23 [38]

Answer:

potang ina bubu ka

Explanation:

pota ka bubu ampota

4 0

2 years ago

A red card is illuminated by red light. Part A What color will the card appear? What color will the card appear? a. Red b. Black

Wewaii [24]

Red light reflects off the card into your eyes and you see the red card as red. The light will just make the card brighter. So A

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2 years ago

When you squeeze the coils of a spring or a silky together, you create a ___

kirza4 [7]

Answer:

Compressional

Explanation:

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2 years ago