3 years ago

Convert 1,200 meters to millimeters

Physics

1 answer:

Nikolay [14]3 years ago

6 0

Answer:

1,200,000 millimeters

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If the mass of each ball is 12 kg and they experience a gravitational force of magnitude 2.00

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Answer:

${2 \times 10} - 7 = 12 {}^{2} \div x \\ x = 2 \times 10 - 7 \div 12 {}^{2}$

I'm just in jss2 but I read physics. this is what I think

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3 years ago

An object traveling in a straight line accelerates. What will definitely happen due to the acceleration?

Damm [24]

"Acceleration" means any change in the speed or direction of motion ... speeding up, slowing down, or turning. So . . .

<span>-- </span><span>The distance traveled in a certain time may increase or decrease.

-- The displacement covered in a certain time may increase or decrease.

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4 years ago

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A device used to measure a mass of an object is called

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Answer:

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3 years ago

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3 years ago

A watermelon is thrown down from a skyscraper with a speed of 7.0\,\dfrac{\text m}{\text s}7.0 s m 7, point, 0, space, start f

Degger [83]

Answer:

y = 17,89 m

Explanation:

Let us fixate the reference point in top of the building, from where the watermelon is thrown down. We will assume also that the positive axis of our system points up. We describe the watermelon’s motion with the equation:

$v_y^2 =v_0^2 + 2ay$

Clearing the equation so we isolate y we have that:

$y = (v_y^2 - v_0^2 )/2a$

Making a substitution with the values from the statement we have:

$y = ((20 m/s)^2 - (7 m/s)^2)/(2*9,81 m/s^2) = 17,89 m$ ]

So, this skyscraper is about 17,89 m tall; which is not very tall for a skyscraper but who am I to judge. 17,89 m is also the displacement of the watermelon from the point it was thrown down.

I hope everything was clear with my explanation. If I can help with anything else, just let me know. Have an awesome day :D

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4 years ago

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