An object is in motion when?

Answers

Answer 1

Answer: An object is in motion when its relative position is changing. In other words, if the object's distance or orientation is changing when compared to a stationary object, or an object that is not moving, then the first object is moving.

For example, if you have a car parked in a parking lot and a truck passing by it, then, because the distance from the parked car to the truck is changing, the truck is in motion.

Hope this helps!

Answer 2

Answer: When its distance or direction from something else is changing.

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Air pressure in a tire is maintained because the air molecules areA. very large.
B. constantly changing shape.
C. constantly changing temperature.
D. constantly running into each other.

Answers

D. constantly running into each other.

There are five layers of the atmosphere and these are; troposphere, stratosphere, mesosphere, thermosphere and exosphere. The first layer, troposphere, is where we are able to do most of our activities. This is where we can see the formation of clouds, the production of rain, hail, snow and other weather phenomenon. Also, among the atmospheric layers, this layer is where the greatest amount of air pressure because most of the molecules of air are in this area. Like us, air has also mass and the pressure is brought down by the earth’s gravity causing an increase in weight exerted on you as you descend lower into the atmosphere. So, as you enter into the other layers of atmosphere above the troposphere, the air pressure starts to decrease. Below the atmosphere is the hydrosphere. This is where all liquid forms are located. And since the seawater has a greater mass than air, it has the greatest pressure. The answer is b.

Which statement describes characteristics of a concave lens? A concave lens diverges light and curves inward. A concave lens diverges light and curves outward. A concave lens converges light and curves inward. A concave lens converges light and curves outward.

Answers

The correct answer is

A concave lens diverges light and curves inward.

A picture of a concave lens and the ray diagram produced by it can be seen in attachment. As it can observed, the concave lens (also called diverging lens) is wider at the edges and narrow at the centre (so, it curves inward), and it can also be seen that the lens diverges the incoming light rays.

A concave lens diverges light and curves inward is the statement which

describes its characteristics.

What is a Concave lens?

This type of lens is used to treat short-sightedness and has at least one of

its surface curving inward. This helps it to spread out light rays so as to

ensure proper view.

It has a high degree of diffraction and is the reason why option A was

chosen as it's the most appropriate choice.

Read more about Concave lens here brainly.com/question/3140453

Approximately how long does it take the Sun to orbit the center of the Milky Way Galaxy? A) 2 million years B) 20,000 years C) 2 billion years D) 200,000 years E) 200 million years

Answers

Answer: THE OPTION IS E(ABOUT 200 MILLONS YEARS

Explanation:

What effect does adding more loops to the wire coil have on the electromagnet?

Answers

The strength of the electromagnet depends on the magnitude of the current in the wire and the number of turns of wire around the core. If you add more turns to the coil and keep the magnitude of the current constant, the electromagnet becomes stronger.

Which describes an object’s speed in free fall?

Answers

"Free fall" is the motion of an object when gravity is the ONLY force
acting on it.

In true 'free fall' the speed of an object increases at a constant rate
for the total duration of the fall. The rate of increase, on or near the
Earth's surface, is 9.8 meters per second for each second of fall.

True free fall is almost impossible to observe in everyday life, because
whenever we see anything falling, it's almost always falling through air,
so gravity is NOT the only force acting on it. The friction due to the
motion through air works against the gravitational force. In many cases,
the result is that the object's speed eventually stops increasing and
becomes constant, at a speed often described with the faux technical,
high-fallutin' sounding phrase "terminal velocity". It must be understood
that 'terminal velocity' is NOT a property of gravity or of free fall, but is
only a result of falling through some surrounding stuff that interferes with
the process of true 'free fall'.

An objects falling speed will increase until it is at what is called terminal velocity, meaning it can't go any faster, it will stay at the same speed, until it hits the ground.

Both retinal disparity and convergence increase as an object gets closer to the individual.

Answers

That statement is true

Retinal disparity : space between your eyes that allow binocular vision to create depth perception

Retinal Convergence : Space between your eyes that signal visual moves to the retina

They both will increases as an object get closer to the individual, allowing them acknowledge and observe the existence of the object

Answer:

true

Explanation:

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Compute the resistance in ohms of a lead block 15 cm long and 0.10 cm2 in cross-sectional area. (ρ = 2.2 x 10-5 ohm-cm)