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maks197457 [2]
3 years ago
13

A salt is dissolved in water which has a freezing point of 0 degrees celsius. the freezing point of the solution would be

Physics
2 answers:
balandron [24]3 years ago
7 0
A salt is dissolved in water which has a freezing point of 0 degrees celsius. the freezing point of the solution would be dependent on the concentration of the salt in the solution. It is explained by the colligative properties. These <span>are </span>properties<span> that depend upon the concentration of solute molecules or ions, but not upon the identity of the solute. Hope this answers the question.</span>
MrMuchimi3 years ago
7 0
Hello there.
<span>
A salt is dissolved in water which has a freezing point of 0 degrees celsius. the freezing point of the solution would be
</span><span>
solution would be dependent on the concentration of the salt in the solution. </span>
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Kevin is refinishing his rusty wheelbarrow. He moves his sandpaper back and forth 45 times over a rusty area, each time moving a
dmitriy555 [2]
W = _|....F*dx*cos(a)........With F=force, x=distance over which force acts on object,
.......0.............................and a=angle between force and direction of travel.

Since the force is constant in this case we don't need the equation to be an integral expression, and since the force in question - the force of friction - is always precisely opposite the direction of travel (which makes (a) equal to 180 deg, and cos(a) equal to -1) the equation can be rewritted like so:

W = F*x*(-1) ............ or ............. W = -F*x

The force of friction is given by the equation: Ffriction = Fnormal*(coeff of friction)

Also, note that the total work is the sum of all 45 passes by the sandpaper. So our final equation, when Ffriction is substituted, is:

W = (-45)(Fnormal)(coeff of friction)(distance)
W = (-45)...(1.8N).........(0.92).........(0.15m)
W = ................-11.178 Joules
5 0
3 years ago
If you were to travel from the equator to the higher latitudes (near either pole) on Saturn, the differential rotation would cau
Dmitrij [34]

Answer:

Saturn's differential rotation will cause the length of a day measures to be longer by 0.4 hours

Explanation:

Differential rotation occurs due to the difference in angular velocities of an object as we move along the latitude of the or as we move into different depth of the object, indicating the observed object is in a fluid form

Saturn made almost completely of gas and has differential motion given as follows

Rotation at the equator = 10 hours 14 minutes

Rotation at high altitude = 10 hours 38 minutes

Therefore;

The differential rotation = 10 hours 38 minutes - 10 hours 14 minutes

The differential rotation = 24 minutes = 24 minutes × 1 hour/(60 minutes) = 0.4 hours

The differential rotation = 0.4 hours

Therefore, the measured day at the higher altitude will be 0.4 longer than at the equator.

8 0
3 years ago
1-5 answer please .....
Scilla [17]
1). Vector
2). Scalar
3). Magnitude
4). Components
5). Free body diagram
4 0
3 years ago
A star with the mass (M=2.0×1030kg) and size (R=3.5×108m) of our sun rotates once every 30.0 days. After undergoing gravitationa
Gre4nikov [31]

Answer:

r=97.22x10^{3} m

Explanation:

Using the angular formulas can determine the radius using both values neutron star and the the knowing star so

L=I*w

L_{1}=I_{1}*w_{1}=L_{2}=I_{2}*w_{2}

I_{1}*w_{1}=I_{2}*w_{2}

I=Inertia of the star

w=angular velocity

I=\frac{2*m*r^{2}}{5}

w=\frac{2\pi}{t}

Notice the angular velocity determinate by the time and the Inertia have the radius value so

\frac{2}{5}*m*r_{sn}^{2}*\frac{2\pi }{t_{1}}=\frac{2}{5}*m*r_{s}^{2}*\frac{2\pi }{t_{2}}

r_{sn}^{2}*\frac{1}{t_{1}}=r_{s}^{2}*\frac{1}{t_{2}}

r_{sn}^{2}=r_{s}^{2}*\frac{t_{1}}{t_{2}}

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r_{sn}=3.5x10^{8}m*\sqrt{\frac{0.2s}{2.592x^{6}s}}

r_{sn}=97.22x10^{3} m

8 0
3 years ago
During a basketball game what are the most points you can score from shooting and getting fouled​
Illusion [34]

Answer:

If a player is fouled while shooting a three-point shot and makes it anyway, he is awarded one free throw. Thus, he could score four points on the play. Inbounds- If fouled while not shooting, the ball is given to the team the foul was committed upon.

8 0
3 years ago
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