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lana [24]
3 years ago
5

How do wavelength and wave period relate to a wave's speed

Physics
1 answer:
BigorU [14]3 years ago
4 0

The quotient of (wavelength) divided by (wave period) is equal to (wave speed).

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A mass of 250 N is on a piston of 2.0 m^2. What force is needed to lift this piston if the area of the second piston is 0.5 m^2?
prohojiy [21]

Answer:

<h3>62.5N</h3>

Explanation:

The pressure at one end of the piston is equal to the pressure on the second piston.

Pressure = Force/Area

F1/A1 = F2/A2

Given

F1 = 250N

A1 = 2.0m²

A2 = 0.5m²

F2 = ?

Substituting the given values in the formula;

250/2 = F2/0.5

cross multiply

250*0.5 = 2F2

125 = 2F2

F2 = 125/2

F2 = 62.5N

Hence the  force needed to lift this piston if the area of the second piston is 0.5 m^2 is 62.5N

8 0
3 years ago
How long does it take a car traveling at 50 mph to travel 75 miles? Use one of the following to find the answer.
yanalaym [24]

Answer:

90 Minutes

Explanation:

t = d / v

t = 75 / 50

t = 1.5 hour

t = 90 minutes.

8 0
2 years ago
Which types of questions can most likely be answered through a scientific investigation?
Sindrei [870]

Subjective questions can be answered most likely through well-designed scientific investigations. Investigating peoples opinions or favorites does not involve any scientific investigations.

<h3>What are scientific investigation?</h3>

Scientific investigations include study on different natural phenomenon through well designed research methodologies. They include a preliminary hypothesis based on observations and various scientific records helps for reference.

Through well designed scientific experiments we can solve subjective questions and can be helpful in solving different environmental or social issues.

Peoples opinion or objective types questions are not targeted at scientific investigation, hence, option b is correct.

To find more on scientific investigations, refer here:

brainly.com/question/8386821

#SPJ1

4 0
1 year ago
~~~!Here's the question!~~~
gtnhenbr [62]
The answer would most likely be A since obviously gravity weighs things down which helps the every other masses stay settled in place
6 0
3 years ago
Read 2 more answers
An object that has what acting on it acts as if there were no forces acting on it at all
Mumz [18]
Either no forces or a balanced group of forces
(not a group of "balanced forces"; there's no such thing)
3 0
3 years ago
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