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SVETLANKA909090 [29]
3 years ago
15

Describe what happens to pressure as the force exerted on a given area increases.

Physics
1 answer:
Goryan [66]3 years ago
4 0

That's the definition of pressure ... force on a given area.

So when that force increases, it's an increase in pressure.
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Light travels 3,00,000 km/s . Is it velocity or speed?​
Ludmilka [50]

Answer:

speed

Explanation:

according to your question, your answer is speed

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2 years ago
To ensure a steady flight, the standard golf ball has nearly 400 ____ or “dimples” on its surface.
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4 0
3 years ago
An automobile traveling along a straight road increases its speed from 72 ft/s to 84 ft/s in 180 ft. if the acceleration is cons
Nikolay [14]
The equation that would allow us to calculate for the acceleration given the distance is written below,

      a = (Vf² - Vo²) / 2d

where a is the acceleration, Vf is the final velocity, Vo is the initial velocity, and d is distance. 

Substituting the known values,
    a = ((84 ft/s)² - (72 ft/s)²) / 2(180 ft) = 5.2 ft/s²

Then, the equation that would relate the initial velocity, distance, acceleration and time is calculated through the equation,
      
     d = Vot + 0.5at²

Substituting the known values,
    180 = 72(t) + 0.5(5.2)(t²)

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<em>ANSWER: 2.3 s</em>
5 0
3 years ago
USE K U E S
nata0808 [166]

Explanation:

Problem 1.

Initial speed of the runner, u = 0

Acceleration of the runner, a=4.2\ m/s^2

Time taken, t = 100 s

Let v is the speed of the runner now. Using the first equation of kinematics as :

v=u+at

v=at

v=4.2\ m/s^2\times 100\ s

v = 420 m/s

Problem 2.

Initial speed of the plane, u = 0

Distance covered, d = 300 m

Time taken, t = 25 s

Using the equation of kinematics as :

d=ut+\dfrac{1}{2}at^2

d=\dfrac{1}{2}at^2

a=\dfrac{2d}{t^2}

a=\dfrac{2\times 300\ m}{(25\ s)^2}

a=0.96\ m/s^2

Problem 3.

A ball free falls from the top of the roof for 5 seconds. Let it will fall at a distance of d. It is given by :

d=ut+\dfrac{1}{2}gt^2

d=\dfrac{1}{2}\times 9.8\times (5)^2

d = 122.5 meters

Let v is the final speed at the end of 5 seconds. Again using first equation of kinematics as :

v=u+gt

v=9.8\ m/s^2\times 5\ s

v = 49 m/s

Hence, this is the required solution.

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3 years ago
You are drawing a branching diagram to show the relationship between Turtles frogs and alligators which two organisms does the d
Luden [163]
Frogs and Alligators dude
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3 years ago
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