3 years ago

I need these for test corrections that are due tomorrow please :)

Physics

1 answer:

Ivahew [28]3 years ago

6 0

That would be position Y, as the northern hemisphere is tilted away from the sun.

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Two horses begin at rest. After a few seconds, horse A is traveling with a velocity of 10m/s west, while horse B is traveling wi

Sliva [168]

The answer is B because 13 m/s is a greater acceleration than 10 m/s in the same amount of time.

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3 years ago

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A student initially 10.0 m East of his school walks 17.5 m West. The magnitude of the student's displacement, relative to the sc

Fantom [35]

Answer:

1. 7.5 m

2. towards west side

explanation:

I hope it will help you

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2 years ago

Every object in the universe exerts a force on every other object. This force is called

MrMuchimi

Gravity is the correct answer.

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3 years ago

Find the separation of two points on the Moon’s surface that can just be resolved by the 200 in. (= 5.1 m) telescope at Mount Pa

rewona [7]

Answer:

The separation of the 2 points should be 50.0 meters.

Explanation:

According to Rayleigh's scattering criteria the angular separation between 2 points to be resolved equals

$\theta =1.22\cdot \frac{\lambda }{D}$

Applying the given values we get

$\theta =1.22\cdot \frac{550\times 10^{-9} }{5.1}=0.1316\times 10^{-6}rads$

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Applying the given values we get

$L=0.1316\times 10^{-6} \times 3.8\times 10^{5}\times 10^{3}meters\\\\\therefore L=50.00metes$

6 0

3 years ago

6. If a bicyclist, with initial velocity of zero, steadily gained speed until reaching a final velocity of 39m/s, how far would

Bezzdna [24]

Answer:

175 m

Explanation:

The average velocity for constant acceleration is the average of the beginning and ending velocities. That is (0+39)/2=19.5 m/s. If the bicyclist rides for 9 seconds, the distance traveled is ...

(9 s)(19.5 m/s) = 175.5 m

She would travel 175.5 meters in that time.

7 0

3 years ago