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kap26 [50]
3 years ago
6

By increasing the temperature, the solubility of _____.

Physics
2 answers:
kati45 [8]3 years ago
5 0
 The answer is A my man
svetoff [14.1K]3 years ago
3 0
The answer is A - when liquid is heated it evaporates (Decreases) and the vapor (Gas) increases.
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A car is sitting still. It accelerates to a constant speed then it decelerates again to zero speed. While the car is acceleratin
Kobotan [32]

Answer:

in the acceleration process the quantity α and w must increase

the deceleration process the alpha quantity must constant  a direction opposite to the angular velocity

Explanation:

Acceleration and angular velocity are related to linear

           v = w xr

            a = αx r

The bold letters indicate vectors and the cross is a vector product, therefore if

we can see that the relationship between linear and angular variables is direct

therefore in the acceleration process the quantity α and w must increase as well as their linear counterparts

in the deceleration process the alpha quantity must constant as the linear acceleration and must have a direction opposite to the angular velocity

5 0
3 years ago
Peter and Fred are skateboarding in a large semicircular halfpipe. Peter starts out from rest at a height h and collides with Fr
jolli1 [7]

Answer:

The answer is h/4

Explanation:

When Peter collides with Fred, the collision is inelastic & they both proceed with a velocity of V/2.

let m represent the masses for Peter & Fred

v represent the initial velocity of Peter

V represent final velocity of both of them

mv + 3m × 0 = (m+m)V

V = v/2

Using the expression; H = v² / 2g .............Eqn 1

Upon substitution of V/2 into Eqn 1 above,

H = (V/2)² / 2g

H = (V²/4) ÷ 2g

Therefore height will be h/4

6 0
3 years ago
Which situation describes a system with decreasing gravitational potential energy?
umka2103 [35]
An example of a system with decreasing gravitational potential energy is a ball in free fall. 

At its initial height h, the ball has a gravitational potential energy equal to
U=mgh
where m is the ball mass and g is the gravitational acceleration. As the ball falls toward the ground, its height h decreases, and so its gravitational potential energy decreases as well, according to the formula 
U=mgh'
where h' is the new height of the ball.
8 0
3 years ago
Which two layers make up the Earth's upper mantle?
Bad White [126]

Answer: The lithosphere and the asthenosphere

4 0
3 years ago
Read 2 more answers
What is the weight of a dog that has a mass of 47.0 kg?​
Nat2105 [25]

Answer:

while we often confuse mass with weight, 47 kg is 47 x 9.8 = 460.6 Newtons. 9.8 is acceleration of gravity in m/sec/sec

8 0
3 years ago
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