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Mademuasel [1]
2 years ago
11

Plz answer all 5 of the questions i will give brainlyest

Physics
1 answer:
lubasha [3.4K]2 years ago
6 0

Answer:

1)force:- force is an external affert by any body on an object.

2) force and motion are related to each other. force helps to create motion in any object.

3) frictional force

4) Newton

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As an airplane is flying 20.0 degrees north of east at a speed of 750 km/h. How fast is it moving to the north
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7 0
3 years ago
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You are standing outside during the daytime. How can you see a blade of grass?
pashok25 [27]

Answer:

C: Light travels from the Sun to the grass and is then reflected to your eyes.

Explanation:

Our eyes don't produce light but detect light (so answer A is not correct)

The grass doesn't produce light unless it is burning (discard answer B)

Answer C is the correct one.

The light we detect from the grass is not light bounced off the sky, it comes directly from the grass to your eyes (you are not looking at the sky when you see the grass) Discard answer D

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3 years ago
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yuradex [85]

Answer:

Its not d or e

Explanation:

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2 years ago
What is the marble's range if it is fired horizontally from 1.6 m above the ground?
cupoosta [38]

Answer:

The answer is 6.40 meters.

Explanation:

The speed v = √(2gh)

v = √( 2×9.8×6.4) = 11.2 m/s

After, finding the time it takes to hit the ground from a height of 1.6 meters.

time = √(2H÷g)

time = √(2×1.6÷9.8)

time = 0.5714 seconds.

Horizontal distance is speed × time = 11.2 × 0.5714 = 6.40 meters.

5 0
3 years ago
A positive point charge q is placed at the center of an uncharged metal sphere insulated from the ground. The outside of the sph
kenny6666 [7]

Explanation:

the missing figure in the Question has been put in the attachment.

Then from the figure we can observe that

the center of the sphere is positive, therefore, negative charge will be  induced at A.

As B is grounded there will not be any charge on B

Hence the answer is A is negative and B is charge less.

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3 years ago
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