How do you find an object's mass on an acceleration vs. force graph?

Answers

Answer 1

Answer: Newton's 2nd law of motion is: Force= (mass) x (acceleration).

Divide each side by 'acceleration' and you have: Mass = (force) / (acceleration).

-- At any point on the graph, read off the force and the acceleration.
-- Divide the force by the acceleration.
-- The quotient is the mass.

It should be constant, unless the moving object is something like a rocket,
which is constantly burning fuel and reducing its mass.

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In the lungs there are tiny sacs of air, which are called alveoli. an oxygen molecule is trapped within a sac, and the uncertainty in its position is 0.12 mm. what is the minimum uncertainty in the speed of this oxygen molecule?

Answers

As we know that Heisenber's uncertainty law gives that

$\Delta x * \Delta P = (h)/(4\pi)$

here we know that

$\Delta x = uncertainty In Position = 0.12 mm$

$\DeltaP = uncertainty In Momentum = m*v$

now from the above formula we will have

$0.12 * 10^(-3)* 32*10^(-3)v = (h)/(4\pi)$

$3.84*10^(-6)*v = (6.6*10^(-34))/(4\pi)$

$v = 1.37 * 10^(-29)m/s$

so above is the uncertainty in the speed

Plugging a lamp into an electrical outlet gives the lamp a source ofa. current.
b. voltage.
c. resistance.
d. all of these

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Plugging a lamp into an electrical outlet gives the lamp a source of voltage. The answer is letter B. The rest of the choices do not answer the question above.

Which feature in the diagram contains the youngest rock

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1 because the youngest rock usually lays on top of the layers. Rocks age increase the farther down you go because new rocks form on top of the old. Hope this helped. Have a good day! ;-)

Solar cells convert what type of energy into electrical energy?

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In what must certainly rank as one of the most startling coincidences
in all of science and technology, the cells referred to as "solar" perform
their function by deriving electrical energy from the energy in "solar" radiation.

What does it cost, if electricity is $0.0900 per kW ⋅ h ?

Answers

Answer:

50.09

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Human activities can have an impact on natural disasters.

Answers

By definition, we have to:

The environmental impact are the consequences that some of the human activities produce on the environment.

The concept can be extended to the effects of a catastrophic natural phenomenon.

Human activities, such as fuel combustion and deforestation, have intensified the greenhouse effect, causing global warming.

It has been estimated that if emissions of greenhouse gases continue at the current rate, the temperature of the planet could exceed historical values in 2047, with harmful effects on ecosystems, biodiversity and endanger the livelihood of people on the planet.

Answer:

True.

Human activities can have an impact on natural disasters.

Human activities can have an impact on natural disasters is true

What is natural disasters?

The things humans do can affect natural disasters. Natural disasters are events that occur because of nature and its processes. However, human actions can also make these events happen more often, be worse, and affect more people in different ways.

Climate change is happening because of humans. We are releasing greenhouse gases when we burn fossil fuels and when we cut down trees. This is affecting the Earth's climate. This can cause more often and stronger natural disasters like hurricanes, droughts, heatwaves, and heavy rainfall.

Hence, Human activities can have an effect on natural disasters is a true statement.

Read more about natural disasters here:

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Human activities can have an impact on natural disasters.true or false

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