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Zigmanuir [339]
1 year ago
13

You are standing on a moving bus, facing forward, and you suddenly fall forward. You can imply form this that the bus’s a. Veloc

ity decreased b. Velocity increased c. Speed remained the same, but it’s turning right d. Speed remained the same, but it’s turning left
Physics
1 answer:
UkoKoshka [18]1 year ago
3 0

ANSWER:

a. Velocity decreased

STEP-BY-STEP EXPLANATION:

If the person inside the bus experiences a forward movement, this means that the bus is braking, since by action-reaction to compensate for the movement, the body moves forward.

When braking, it means that there is a decrease in speed, therefore, the correct answer is a. Velocity decreased

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Alchen [17]

Answer:

The minimum total speed is 11.2km/s

Explanation:

We are been asked to find the escape velocity.

Escape velocity is defined as the minimum initial velocity that will take a body(projectile)away above the surface of a planet(earth) when it's projected vertically upwards.

The formula to calculate the escape velocity is Ve = √2gR

For the earth g = 9.8m/s2 , R = 6.4*10^6

Substituting into the equation Ve = √2*9.8*6.4*10^6 = 11.2*10^3m/s

=11.2km/s

5 0
3 years ago
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Which wave has a wavelengh that is most likely seen as red light?
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Answer:

D.

Explanation:

Red light has wavelengths around 620 to 750 nm.

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3 years ago
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Novay_Z [31]
I think it is b , that what I would i pick
7 0
3 years ago
Which of the following statements is true about earth's magnetic poles
Dahasolnce [82]

Answer: b) they are the areas where Earth's magnetic field is weakest

Explanation:

According to classical physics, a magnetic field always has two associated magnetic poles (north and south), the same happens with magnets. This is because for <em>classical physics</em>, naturally, magnetic monopoles can not exist.  

In this context, Earth is similar to a magnetic bar with a north pole and a south pole. This means, the axis that crosses the Earth from pole to pole is like a big magnet.  

Now, by convention, on all magnets the north pole is where the magnetic lines of force leave the magnet and the south pole is where the magnetic lines of force enter the magnet.  Then, for the case of the Earth, the north pole of the magnet is located towards the geographic south pole and the south pole of the magnet is near the geographic north pole.  

Being the magnetic poles the places where the Earth's magnetic field is weakest. And it is for this reason, moreover, that the magnetic field lines enter the Earth through its magnetic south pole (which is the geographic north pole).

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3 years ago
Anyone knows this please help me
olasank [31]

Answer:

TRUE

Explanation:

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3 years ago
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