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Leno4ka [110]
3 years ago
5

WILL GIVE BRAINLIEST!

Physics
2 answers:
ASHA 777 [7]3 years ago
5 0

Answer:

A: sublimation

B: vaporization

C: melting

Explanation:

Bad White [126]3 years ago
3 0

Answer:

A. Deposition

B. Condensation

C. Freezing

Explanation:

We have three changes of state shown in the picture:

- Deposition: it is the change of state of a substance from gas to solid state, without going through the liquid phase. In this process, energy is released, as the average energy of the molecules of the substance decrease, releasing it to the surroundings.

- Condensation:  it is the change of state of a substance from gas to liquid state. In this process, energy is also released, as the average energy of the molecules of the substance decrease as the substance becomes a liquid, releasing it to the surroundings.

- Freezing: it is the change of state of a substance from liquid to solid state. In this process, energy is also released, as the average energy of the molecules of the substance decrease as the substance becomes a solid, releasing it to the surroundings.

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Rom4ik [11]
The formula for the potential energy, EP is given by

EP = m × g × h

where:
m is the mass in kilograms
g is the gravity (9.8 m/s²)
h is the height in meters

EP = 6 × 9.8 × 2 = 117.6 kg-m²/s²
8 0
3 years ago
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A baseball (m=140g) traveling 32m/s moves a fielders
posledela

Answer:

Average force, F = 286.72 N

Explanation:

Given that,

Mass of the baseball, m = 140 g = 0.14 kg

Speed of the ball, v = 32 m/s

Distance, h = 25 cm = 0.25 m

We need to find the average  force exerted by the ball on the glove. It is solved using the conservation of energy as :

\dfrac{1}{2}mv^2=mgh

F = mg

\dfrac{1}{2}mv^2=Fh

F=\dfrac{mv^2}{2h}

F=\dfrac{0.14\times (32)^2}{2\times 0.25}

F = 286.72 N

So, the average force exerted by the ball on the glove is 286.72 N. Hence, this is the required solution.

7 0
3 years ago
A plane traveling north at 100.0 km/h through the air gets caught in a 40.0 km/h crosswind blowing west. This turbulence caused
Nonamiya [84]

Answer:

The velocity \vec{v}_{c/g} of the cart with respect to the ground is

\vec{v}_{c/g}=-40\hat{x}+80\hat{y}\, km/h

if we consider North the positive y-direction and East the positive x-direction.

Explanation:

We have for relative motion the following expression:

\vec{v}_{c/g}=\vec{v}_{c/p}+\vec{v}_{p/g}

Where \vec{v}_{c/g} is the velocity of the cart with respect to the ground, \vec{v}_{c/p} is the velocity of the cart with respect to the plane and \vec{v}_{p/g} is the velocity of the plane with respect to the ground.

We find that:

\vec{v}_{c/p}=-20\hat{y}

\vec{v}_{p/g}=-40\hat{x}+100\hat{y}

Thus:

\vec{v}_{c/g}=-20\hat{y}-40\hat{x}+100\hat{y}=-40\hat{x}+80\hat{y} \, km/h

5 0
2 years ago
Can spoon ring like a bell prove it
mote1985 [20]
Yes spoon can sound like a bell. To prove this, we perform an experiment.The handle of the spoon is tied at the mid point of the string, then wrap the ends of the string around pointer fingers. Now place fingers in  ears. Lean over so that spoon hangs freely and swing the spoon so it taps against a door.
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What is the relationship between mass and weight
sergiy2304 [10]
Mass is how heavy is it, weight is the size both are the same
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3 years ago
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