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Lelu [443]
3 years ago
13

If the amount of gravitational force on an object changes, which of the following would also change?

Chemistry
1 answer:
Digiron [165]3 years ago
7 0
As accurately described by Einstein's theory of relativity, gravity is not necessarily a force, but a consequence of the curvature of space time that is caused by the uneven distribution of mass. But this could also be approximated by Newton's Law of Universal Motion. Gravity is a force acting upon two objects with masses at a certain amount of distance. So, the greater the mass, and the closer the objects are, the greater is the force of gravity.

Now, gravitational force in Earth is equal to 9.81 m/s². But its value on the moon is different: 1.622 m/s². In this case, your weight changes depending on where you are because the gravitational force will vary. According to Newton's Second Law of Motion, F = mg. Weight is describe as the force that pulls you toward the center of an object. So, weight = mass × gravity. Mass is constant, but gravity is not. Thus, that is how weight changes when gravity also does.
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What is the barometric pressure exerted in pascals (Pa) of a column of decane (density = 0.7300 g/cm3) 636.2 mm in height?
BartSMP [9]
<h3>Answer:</h3>

4551.37 Pascals

<h3>Explanation:</h3>

The pressure refers to the force exerted by a substance per unit area.

The pressure is liquid is calculated by;

P = height × density × gravitational acceleration

In this case;

Height = 636.2 mm

Density = 0.7300 g/cm³

g = 9.8 N/kg

We need to convert mm to m and g/cm³ to kg/m³

Therefore;

Height = 636.2 mm ÷1000

           = 0.6362 m

Density = 0.73 g/cm³ × 1000 kg/m³

             = 730 kg/m³

Then, we can calculate the pressure;

Pressure = 0.6362 m × 730 kg/m³ × 9.8 N/kg

              = 4551.3748 pascals

               = 4551.37 Pascals

Therefore, the pressure of the column of decane is 4551.37 Pascals

5 0
3 years ago
PLEASEEEE HELPPP I BEGGGG FOR HELPPP PLEASEE
belka [17]

Answer:

d

Explanation:

3 0
4 years ago
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Some freshwater reservoir
olya-2409 [2.1K]

what is full answer I sont get it

8 0
3 years ago
Which reaction is exothermic? CH4 + 2O2 Right arrow. CO2 + 2H2O + 891 kJ NH4NO3 + H2O + 25 kJ Right arrow. NH4+(aq) + NO3-(aq) 2
Troyanec [42]

Answer:

ch4 + 2o2 gives co2+2h2o +891kj

Explanation:

becoz 891kj heat energy is given out

exothermic process means heat energy is given out/ released

6 0
3 years ago
What is the science definition of conductive
Anna [14]

The conductivity of a substance is the ability or power to conduct or transmit energy (in the form of heat, electricity, etc.) or waves (in the form of sound). It is measured in Siemens per meter.

3 0
4 years ago
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