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lakkis [162]
3 years ago
8

What is force applied per unit area

Physics
2 answers:
Marizza181 [45]3 years ago
3 0

Answer:

Pressure is defined as force per unit area. The standard unit for pressure is the Pascal, which is a Newton per square meter.

P= A/F

KiRa [710]3 years ago
3 0

Answer:

force per unit area - the force applied to a unit area of surface; measured in pascals (SI unit) or in dynes (cgs unit); "the compressed gas exerts an increased pressure" pressure, pressure level.

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Severus Snape knows that density of his powder is 3.00 g/cm3 . He also knows he needs 3.00 cm3 of this powder. What mass in gram
harina [27]

Answer:

He requires 1 gram of mass.

Explanation:

The density is defined as:

\rho = \frac{m}{V}  (1)

Where m is the mass and V is the volume.

Then, m can be isolated from equation 1 in order to determine the mass.

m = \rho \cdot V (2)

m = (3.00g/cm^{3})(3.00cm^{3})  

m = 1g  

Hence, he requires 1 gram of mass.

8 0
3 years ago
Which of the following represents a chemical change to matter? A. digestion of food B. melting an ice cube C. shredding paper D.
guajiro [1.7K]
The answer is A. digestion of food. The chemical change to matter means that the molecule structure has been destroyed. For B, C and D. the matter are still ice, paper and ice. So they are physical change.
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How many infrared photons of frequency 2.57 x 1013 Hz would need to be absorbed simultaneously by a tightly bound molecule to br
victus00 [196]

Answer:

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Explanation:

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Number of photons = Total energy / energy of one photon

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3 years ago
Like chargers _________ and opposite chargers _______
Sonbull [250]
Like charges repel, while opposite charges attract.
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O miles because it is stopped i think
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