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GalinKa [24]
2 years ago
5

Please help me with this question,giving the first correct answer brainliest

Physics
2 answers:
Bess [88]2 years ago
7 0

Answer:

Your answer is A

Explanation:

Anettt [7]2 years ago
3 0

Answer:

Mixture

Explanation Just did test :)

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A sports car accelerates from rest at 4 metre per second squared for 10 seconds , its final velocity would be?
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Answer:

40m/s

Explanation:

s= NOT NEEDED

u= 0

v= ?

a=4m/s^2

t=10

find the equation

v=u+at

substitute in values:

v=0+4x10

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3 years ago
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A circuit has a current of 1.2 A. If the voltage decreases to one-third of its original amount while the resistance remains
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G 3.6A I think so try this answer
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An investigation has been completed similar to the one on latent heat of fusion, where steam is bubbled through a container of w
allochka39001 [22]

Answer:

Q_a=330 cal

Q_w=6000cal

Explanation:

From the question we are told that

Mass of the aluminum container 50 g

Mass of the container and water 250 g

Mass of the water 200 g

Initial temperature of the container and water 20°C

Temperature of the steam 100°C

Final temperature of the container, water, and condensed steam 50°C

Mass of the container, water, and condensed steam 261 g

Mass of the steam 11 g Specific heat of aluminum 0.22 cal/g°C

a) Heat energy on container

Generally the formula for mathematically solving heat gain

      Q_c=M_c *C_c*( \triangle T)

Therefore imputing variables we have

      Q_a=50g *0.22*50-20  

      Q_a=330 cal

b) Heat energy on water

Generally the formula for mathematically solving heat gain

       Q_w=M_w *C_w*( \triangle T)

Therefore imputing variables we have

       Q_w=200 *1* 50-204

       Q_w=6000cal

7 0
3 years ago
Identify the type of electrification of the road
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When you put the iron cube in the olive oil and the brick cube in the water what loses heat more quickly and why? The oil or the
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Answer:

HUH

Explanation:

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