2 years ago

Help ASAP I’ll mark you as brainlister

Physics

1 answer:

Sonja [21]2 years ago

8 0

Answer:

The Moon
Mars
The ISS ( The international space station)

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The spring to launch a pinball in a pinball machine is compressed 25 cm and has a spring constant of 140 N/m.

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3 years ago

What two factors determine the amount of friction there will be between objects?

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the two factors are the mass of the objects and the coefficient of friction between them

Explanation:

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Why is traveling between the stars (by creatures like us) difficult?

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Answer:

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3 years ago

An airplane starts from rest and reaches a takeoff velocity of 60.0m/s due north in 4.0 s. How far has it traveled before takeof

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3 years ago

Se dispone de dos vasos con agua a 20 grados y queremos calentarlo hasta alcanzar 50 grados. Si el primero contiene 0,5l y el se

BigorU [14]

Answer:

The cup with 0.5L

Explanation:

To know what amount of water you take into account the specific heat of the water. The specific heat of water is:

$c_{water}=4186\frac{J}{kg\°C}$

Thus, 4186 J of energy are needed to icrease the temperature of 1 kg water in 1°C. Then, more grams of water will need more energy.

You have that one cup has 0.5 L and the other one has 750mL = 0.75L

The second cup of water will need more heat because the amount of water contained in the second cup is greater than in the first cup with 0.5L

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3 years ago