Ocean waves are examples of:
transverse waves
longitudinal waves
circular waves

Answers

Answer 1

Answer:

Circular is correct.

Answer 2

Answer: ocean waves could be the example of both circular and transverse waves. sometimes, ocean waves could move in an up and down (~~~~~~~) wave. sometimes the ocean waves could move in circular waves, [((((O))))] so it depends on the movement. I would mostly choose transverse waves, though, since most of the time, 'ocean waves' are meant to be such kind of movement [~~~~~~~~~~~~~~].

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Which phenomenon provides evidence that light has a wave nature?
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What is true of a mechanical wave? @3.2.P.B5 @1A)
It must travel in a vacuum

B)
It must have a medium.

C)
It must travel in empty space.

D)
Both sound and light are examples

Answers

I think it is B. Mechanical waves carry energy through a medium.

It should be definitely B

Below are four statements about acceleration. Which statement is not correct? A Acceleration always involves changing speed. B Changing direction always involves acceleration. C Changing speed always involves acceleration. D Circular motion always involves acceleration.

Answers

Considering all the standard characteristics of acceleration, which involves the change in velocity concerning time, the statements (B), (C) and (D) are correct.

The given problem is based on the concepts and the fundamentals of acceleration. Acceleration is defined as the rate of change of velocity. Velocity is a vector quantity and is defined as speed in a given direction. Therefore, when any or both of the components of velocity is changing with time, a body is said to be accelerating i.e. acceleration involves a change of speed or change in direction, or a change in both speed and direction.

Now, as per the given problem,

A. Acceleration always involves changing speed is an incorrect statement because acceleration can occur when speed is constant but direction is changing.

B. Changing direction always involves acceleration is a correct statement because, a change in direction results in a change in velocity.

C Changing speed always involves acceleration is a correct statement because, changing speed results in a change in velocity.

D. Circular motion always involves acceleration is also a correct statement because in circular motion the direction is always changing, and this results in a change in velocity.

Thus, we can conclude that considering all the standard characteristics of acceleration, which involves the change in velocity concerning time, the statements (B), (C) and (D) are correct.

Learn more about the acceleration here:

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Answer:

A. Acceleration always involves changing speed.

Explanation:

Acceleration is defined as the rate of change of velocity.

Velocity is a vector quantity and is defined as speed in a given direction. Therefore, when any or both of the components of velocity is changing with time, a body is said to be accelerating i.e. acceleration involves a change of speed or change in direction, or a change in both speed and direction.

Considering the statements:

A. Acceleration always involves changing speed is false because acceleration can occur when speed is constant but direction is changing.

B. Changing direction always involves acceleration is true because, a change in direction results in a change in velocity.

C Changing speed always involves acceleration is true because, changing speed results in a change in velocity.

D. Circular motion always involves acceleration is true because in circular motion the direction is always changing, and this results in a change in velocity

Ronnie kicks a playground ball with an initial velocity of 16 m/s at an angle of 40° relative to the ground. What is the approximate horizontal component of the initial velocity?

Answers

The horizontal component is calculated as:
Vhorizontal = V · cos(angle)

In your case Vhoriontal = 16 · cos(40) = 12.3 m/s

Answer: 12.3 m/s

The approximate horizontal component of the initial velocity is 12.3 m/s

What is projectile?

When an object is thrown at an angle from the horizontal direction, the object is said to be in projectile motion. The object which follows the projectile motion.

Given is Ronnie kicks a playground ball with an initial velocity of 16 m/s at an angle of 40° relative to the ground.

The horizontal component of the projectile is

Vx= V cosθ

Substitute the values, we get

Vx = 16 cos(40) =

Vx =12.3 m/s

Thus, approximate horizontal component of the initial velocity is 12.3 m/s.

Learn more about projectile.

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The _______scale is called an absolute temperature scale, and its zero point is calledabsolute zero.
O A. Celsius
O B. Fahrenheit
O C. Kelvin

Answers

Answer:

It is C the kelvin scale

Explanation:

Have a great day

The process of a liquid becoming a gas is call what

Answers

Vaporization of a sample of liquid is a phase transition from the liquid phase to the gas phase.

1. -------- of an object is the change in velocity per unit time.a) Displacement b) Acceleration c) Average velocity d) Angular velocity.
2. The motion of freely falling body is an example of ----- motion.
a) Uniform motion b) Non -uniform motion c) Uniformly accelerated motion. d) None of these.