2 years ago

Two point charges are separated by a distance d. The first has a charge of

Physics

1 answer:

Rina8888 [55]2 years ago

5 0

D. The new electric potential energy is 1/2as strong as the original

electric potential energy.

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pychu [463]

Answer:u=42.29 m/s

Explanation:

Given

Horizontal distance=167 m

launch angle $=33.1^{\circ}$

Let u be the initial speed of ball

Range $=\frac{u^2\sin 2\theta }{g}$

$167=\frac{u^2\sin (66.2)}{9.8}$

$u^2=1788.71$

$u=\sqrt{1788.71}$

$u=42.29 m/s$

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2 years ago

Which of the following biomes might be found at a latitude of 33° South?

cupoosta [38]

The answer is going be desert.

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2 years ago

A force acts on a 5kg object at rest. How fast will the object accelerate on a frictionless surface?

MakcuM [25]

Answer: The answer is C.) 25 m/s^2.

Explanation: If you input 5 as s, you would have to use the exponent 2. This means that you have to multiply 5 by 5. 5 x 5= 25.

Edit: Also, because the surface is frictionless, it will make the object go faster too. Nothing can really slow it down unless something blocks it.

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2 years ago

Two satellites are in circular orbits around Earth. Satellite A has speed vA. Satellite B has an orbital radius nine times that

Pani-rosa [81]

Answer:

option B

Explanation:

given,

Satellite B has an orbital radius nine times that of satellite A.

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now, orbital velocity of the satellite A

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now, orbital velocity of satellite B

from equation 1

hence, the correct answer is option B

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2 years ago

How society has been benefited by the knowledge of physics

lilavasa [31]

Answer:

The introduction of machines to make work done more easier and faster

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3 years ago

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