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Vladimir79 [104]
3 years ago
14

0" id="TexFormula1" title="what \: is \: unit \: of \: pressure \: {?} " alt="what \: is \: unit \: of \: pressure \: {?} " align="absmiddle" class="latex-formula">
​
Physics
2 answers:
Pie3 years ago
8 0
Pressure is a way of describing the size of the area that the force is being applied on. For a given force, a smaller area means higher pressure, and a larger area means smaller pressure.
8_murik_8 [283]3 years ago
5 0

Answer:

pascal is the unit of pressure .

hope it is helpful to you

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Krista is playing tennis at the park. When the tennis ball flies toward her, Krista hits the ball with her racket, which causes
xenn [34]

Answer:

B. When the racket hits the tennis ball with a force, the tennis ball applies an equal but opposite force to the racket.

Explanation:

According to the Newton's third law of motion every action has equal and opposite reaction. So, when the force is applied by the racket on the ball then the ball also applies an equal intensity of force in the opposite direction on the racket. It is just that the the force on the racket is absorbed by the player holding it.

7 0
3 years ago
Which of the following is known as the following cycle because it's reservoir is a rock.
inessss [21]

Letra a obrigadoaijahahavqvqgqgqg

3 0
3 years ago
A ball has a diameter of 3.79 cm and average density of 0.0838 g/cm3.
suter [353]

Answer: 0.258 N

Explanation:

As the density of the object is much less than the density of water, it’s clear that the buoyant force, is greater than the weight of the object, which means that in normal conditions, it would float in water.

So, in order to get the ball submerged in water, we need to add a downward force, that add to the weight, in order to compensate the buoyant force, as follows:

F = Fb – Fg

Fb= δH20* 4/3*π*(d/2)³  * g

Fg = δb* 4/3*π*(d/2)³ *g

F= (δH20- δb) * 4/3*π*(d/2)³*g

Replacing by the values of the densities, and the ball diameter, we finally get:

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3 0
3 years ago
If the Sun suddenly went dark, we would not know it until its light stopped arriving on Earth. How long would that be, in second
Gre4nikov [31]

Answer: 500 s

Explanation:

Speed v is defined as a relation between the distance d and time t:

v=\frac{d}{t}

Where:

v=3(10)^{8}m/s is the speed of light in vacuum

d=1.5(10)^{11}m is the distance between the Earth and Sun

t is the time it takes to the light to travel the distance d

Isolating t:

t=\frac{d}{v}

t=\frac{1.5(10)^{11}m}{3(10)^{8}m/s}

Finally:

t=500 s

5 0
3 years ago
What is kinetic energy?
skad [1K]
Kinetic energy is the energy the makes an object move. 
6 0
3 years ago
Read 2 more answers
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