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xz_007 [3.2K]
3 years ago
12

Which term describes the increase in a material’s volume due to an increase in temperature?

Physics
2 answers:
marin [14]3 years ago
4 0

c, heat transfer

please mark brainliest :)

Katarina [22]3 years ago
3 0

Which term describes the increase in a material’s volume due to an increase in temperature? C. heat transfer

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Which of the following is not affect by muscles a blood temperature b digestion c hair growth d speech
Murrr4er [49]

Answer:

c

Explanation:

i would think c would be correct because

blood temperature IS affected by muscles

digestion IS affected by muscles

speech IS affected by muscles

so therefore <em>hair growth</em> IS NOT affected by muscles

<h2><u><em>Please mark Brainliest</em></u></h2>
3 0
3 years ago
The charges and coordinates of two charged particles held fixed in the xy plane are: q1 = +3.3 µc, x1 = 3.5 cm, y1 = 0.50 cm, an
Readme [11.4K]
1) First of all, we need to find the distance between the two charges. Their distance on the xy plane is
d= \sqrt{(x_1-x_2)^2+(y_1-y_2)^2}
substituting the coordinates of the two charges, we get
d= \sqrt{(3.5+2)^2+(0.5-1.5)^2}=5.6~cm=0.056~m

2) Then, we can calculate the electrostatic force between the two charges q_1 and q_2, which is given by
F=k_e  \frac{q_1 q_2}{d^2}
where k_e=8.99\cdot10^{9} Nm^2C^{-2} is the Coulomb's constant.
Substituting numbers, we get 
F=8.99\cdot10^{9} Nm^2C^{-2}  \frac{(3.3\cdot10^{-6}~C) (-4\cdot10^{-6}~C)}{(0.056~m)^2} =-37.8~N
and the negative sign means the force between the two charges is attractive, because the two charges have opposite sign.
7 0
3 years ago
Steve is whirling a rubber cork, tied with a string to his finger, over his head as shown in the figure. The motion of the cork
I am Lyosha [343]

The tension in the string corresponds to the gravitational attraction between the Sun and any planet.

6 0
3 years ago
Read 2 more answers
A 35kg cannonball sits at rest on a flat level surface. What is the normal force exerted on the cannon ball. Use -9.8 m/s2 for a
Tom [10]

Answer:

a) N = 343 [N]

Explanation:

We must remember Newton's third law, which tells us that the force acting on a body is equal to the normal reaction force of equal magnitude but acting in the opposite direction.

N=m*g

where:

m = mass = 35 [kg]

g = gravity acceleration = 9.81 [m/s²]

N = 35*9.8\\N= 343 [N]

8 0
2 years ago
REALLY NEED HELP WITH THIS!!!
goldenfox [79]
I don't know if this is right, but inheritance?
7 0
3 years ago
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