1 year ago

What most directly determines an object's state of matter? (Please help)

Physics

1 answer:

Likurg_2 [28]1 year ago

3 0

Answer:

I would say D

Explanation:

because the amount of energy in molecules of matter determines the state of matter

(if I'm wrong I'm sorry)

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if a moose were chasing you through the woods its enormous mass would be very threatening but if you zigzagged then it great mas

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Because you have the same mass as the mousse

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2 years ago

A cylindrical, 0.500-m rod has a diameter of 0.02 m. The rod is stretched to a length of 0.501 m by a force of 3000 N. What is t

Salsk061 [2.6K]

Answer:

Y = 4.775 x 10⁹ Pa = 4.775 GPa

Explanation:

First, we calculate the stress on the rod:

$stress = \frac{Force}{Area} = \frac{3000\ N}{\pi r^2} \\\\stress = \frac{3000\ N}{\pi (0.01\ m)^2}\\\\stress = 9.55\ x\ 10^6\ Pa = 9.55 MPa\\$

Now, we calculate the strain:

$strain = \frac{Change\ in Length}{Original\ Length}\\\\strain = \frac{0.501\ m - 0.5\ m}{0.5\ m}\\\\strain = 0.002\\$

Now, we will calculate the Young's Modulus (Y):

$Y = \frac{stress}{strain}\\\\Y = \frac{9.55\ x\ 10^6\ Pa}{0.002} \\$

Y = 4.775 x 10⁹ Pa = 4.775 GPa

6 0

2 years ago

1. If you push a 40.0kg mass object with a force of 145.ON, what will be the object's

horrorfan [7]

Newton said . . . F = m a

Divide each side by m . . . a = F / m

Acceleration = (force) / (mass)

Acceleration = (145.O N) / (40.0 kg)

Acceleration = 3.625 m/s²

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2 years ago

For the Doppler effect to occur ?

mart [117]

Change of pitch that occurs due to a moving sound source

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3 years ago

When a bat strikes a ball, the force exerted can send the ball deep into the outfield. Where is the equal and opposite force in

Delvig [45]

Answer:

The answer is option B: the ball´s force on the bat

Explanation:

Using Newton's third law (action and reaction) that says: If two bodies interact the force of one exerts on the other is of equal magnitude, direction and opposite direction

Therefore, if the bat hits the ball (action), the ball (reaction) with a force on the bat of equal magnitude, but opposite direction

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2 years ago