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3 years ago

Solid volumes can always be determined by the displacement method. true or false

Physics

1 answer:

Aleks [24]3 years ago

8 0

Answer:

True

Explanation:

Displacement method is one in which the solid object is submerged into water and the amount of water displaced is measured which is equal to the volume of solid.

Hence the above statement is true.

One milliliter (1 mL) of water has a volume of 1 cubic centimeter (1cm3) so this measurment helps to calculate the volume of any solid.

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A truck traveling at a velocity of 33m/s comes to a halt by decelerating at 11m/s^2. How far does the truck travel in the proces

snow_lady [41]

Answer:

The truck was moving 16.5 m/s during the time it took to stop, which was 3 seconds.

Initial velocity = 33 m/s

Final velocity = 0 m/s

Average velocity = (33 + 0) / 2 m/s = 16.5 m/s

Explanation:

First, how long does it take the truck to come to a complete stop?

( 33 m/s ) / ( 11 m / s^2 ) = 3 seconds

Then we can look at the average velocity between when the truck started decelerating and when it came to a complete stop. Because the deceleration is constant (always 11m/s^2) we can use this trick.

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3 years ago

Describe an experiment to show that pressure increases with the decrease in the area of surface

cluponka [151]

Answer:
press a baloon against one pin it bursts
but now arrange lot of pins parallel closely to each other if u press a baloon against them it does not burst hope this helps u

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2 years ago

A vessel at rest at the origin of an xy coordinate system explodes into three pieces. Just after the explosion, one piece, of ma

Oksanka [162]

Answer:

Explanation:

The momentum of the first piece = m v =- m x 31 i kg m/s in - x direction direction

The momentum of the second piece = -m x 31 j kg m /s in Y - direction

Total momentum = - 31 m( i + j )

To conserve momentum , the third piece must have momentum equal to this

and opposite to it

So momentum of the third piece = 3m x V = 31 m ( i +j )

V = 31/3 ( i + j ) =

Magnitude of velocity V = √2 x 31/ 3 = 14.6 m / s

Its direction will be towards the vector i + j ie 45° from x - axis in positive direction

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3 years ago

An average human weighs about 600 N. If two such generic humans each carried 1.5 coulomb of excess charge, one positive and one

MakcuM [25]

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Explanation:

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3 years ago

Identify the parts of the electromagnetic spectrum, both visible and invisible.

son4ous [18]

The visible light spectrum is a fractional part of the electromagnetic spectrum, which is visible due to our eyes, which are light receptors. Invisible spectrum are things like UV spectrum which falls outside the human visible range.

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3 years ago

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