2 years ago

Why is it incorrect to say "We ran out of gas", when referring to your cars energy source?

2 answers:

8 0

It's oil, but the thing is within an engine the oil through pressure changes changed said oil into a gas before it combusts. but yeah because it's a liquid I guess :DDDD

Allushta [10]2 years ago

3 0

Maybe it’s suppose to say fuel or something fossil fuel or something like that

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An athlete is working out in the weight room.he steadily holds 50 kilograms above his head for 10 seconds which statement is tru

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What is the atomic number of a sodium atom that has 11 protons and 12 neutrons

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Upon being struck by 240-nm photons, a metal ejects electrons with a maximum kinetic energy of 1.45 eV. What is the work functio

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Answer:

W = 3.73 eV

Explanation:

Given data:

wavelength of photons 240 nm

kinetic energy 1.45 eV

B y using photoelectric equation

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$K.E = \frac{hc}{\lambda} -W$

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3. What is the gravitational force between a 70 kg physics student and her 1 kg textbook, at a distance of 1 meter? (This number

Rina8888 [55]

ANSWER

$\begin{equation*} 4.67*10^{-9}\text{ }N \end{equation*}$

EXPLANATION

Parameters given:

Mass of the student, M = 70 kg

Mass of the textbook, m = 1 kg

Distance, r = 1 m

To find the gravitational force acting between the student and the textbook, apply the formula for gravitational force:

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where G = gravitational constant

Therefore, the gravitational force acting between the student and the textbook is:

$\begin{gathered} F=\frac{6.67430*10^{-11}*70*1}{1^2} \\ \\ F=4.67*10^{-9}\text{ }N \end{gathered}$

That is the answer.

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9 months ago