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TiliK225 [7]
2 years ago
14

In your words, describe how you think life as a human might be different on a world orbiting around a dying star. Think about th

e time it would take to get there. Think abo how we would colonize a new planet. How would we get resources? Would we have different countries and states? Would we be a separate population from Earth?
try to make a full page ​
Physics
1 answer:
Katyanochek1 [597]2 years ago
5 0
Kinda hard bro good luck
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21. A 60 kg student on a scooter is pushed with a constant force of 40 N across a horizontal concrete driveway at a constant spe
DedPeter [7]

The magnitude of the force of friction is 40 N

Explanation:

To solve the problem, we just have to analyze the forces acting on the student and the scooter along the horizontal direction. We have:

- The constant pushing force forward, of magnitude F = 40 N

- The frictional force, acting backward, F_f

Since the two forces are in opposite direction, the equation of motion is

F-F_f = ma

where

m is the mass of the student+scooter

a is the acceleration

However, here the scooter is moving at constant speed: this means that its acceleration is zero, so

a = 0

And therefore,

F - F_f = 0\\F_f = F

which means that the magnitude of the force of friction is also equal to 40 N.

Learn more about force of friction here:

brainly.com/question/6217246

brainly.com/question/5884009

brainly.com/question/3017271

brainly.com/question/2235246

#LearnwithBrainly

3 0
3 years ago
List all the forces that act on a hot air ballon when it is in the sky
nikdorinn [45]
Gravity, acceleration, kinetic energy, the atmosphere
3 0
3 years ago
Read 2 more answers
Help please it's a test
UNO [17]
Unbalanced. _______ and not equal.  in not sure about the 2nd choice from the info im looking at. the balanced version is 2NaOH<span> + </span><span>H2SO4</span><span> = </span><span>Na2SO4</span><span> + </span>2<span>H2O
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7 0
3 years ago
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________ states that the number of transistors per square inch on an integrated chip doubles every 18 months.
Andrew [12]

Answer:

Moore's Law

Explanation:

5 0
3 years ago
A resistor R and another resistor 2R are connected in a series across a battery. If heat is produced at a rate of 10W in R, then
alekssr [168]

Answer:

Option B

Solution:

As per the question:

Heat produced at the rate of 10 W  

The resistor R and 2R are in series.

Also, in series, same current, I' passes through each element in the circuit.

Therefore, current is constant in series.

Also,

Power,P' = I'^{2}R

When current, I' is constant, then

P' ∝ R

Thus

\frac{P'}{2R} = \frac{10}{R}

P' = 20 W

5 0
3 years ago
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