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3 years ago

When both distance and direction are indicated, it becomes a

1 answer:

3 0

Velocity
Distance travelled by an object in a specific direction is called Velocity.
Velocity is a vector quantity.
Velocity= Time/Displacement

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Select the correct answer.

Delicious77 [7]

Answer: A is the correct option.

Explanation:

It was officially declared eradicated in 1979 in the United States.

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3 years ago

A light ray in glass (n=1.5) hits the air-glass interface at an angle of 10 degrees from the normal. What angle from the normal

jekas [21]

Answer:

The angle from the normal is 15.1°.

Explanation:

We can find the angle by using Snell's law:

$n_{1}sin(\theta_{1}) = n_{2}sin(\theta_{2})$

Where:

n₁: is the first medium (glass) = 1.5

n₂: is the second medium (air) = 1.0

θ₁: is the first angle (in the glass) = 10°

θ₂: is the second angle (in the air) =?

$\theta_{2} = arcsin(\frac{n_{1}sin(\theta_{1})}{n_{2}}) = arcsin(\frac{1.5*sin(10)}{1.0}) = 15.1 ^{\circ}$

Therefore, the angle from the normal is 15.1°.

I hope it helps you!

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3 years ago

Newton’s second law of motion states that an object with a heavier mass will have more acceleration than an object with a smalle

wolverine [178]

This is true. I hope this helps! :)

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3 years ago

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What is a push or pull that acts on a object

sdas [7]

Answer:

Force is defined as a push or pull acting on an object. Forces include gravity, friction, and applied force. Force causes changes in the speed or direction of motion. These changes are called acceleration.

Explanation:

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3 years ago

Which of two factors influence the weight of an object due to gravitational pull?

inna [77]

~Hello there!

Your question: Which of two factors influence the weight of an object due to gravitational pull?

Your answer: The mass and the radius of the planet are the two factors that influence the weight of an object due to the gravitational pull

The answer is option A.

Any queries ^?

Happy Studying!

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3 years ago

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