An object has an acceleration of 0 m/s². Does this mean that the object must be stationary?

Answers

Answer 1

Answer: No. Having '0' acceleration means not speeding up in any directions. If an object had speed before it's acceleration became '0' and if the object is not stopped the object will keep moving with constant velocity.

Answer 2

Answer:
Zero acceleration means that the object's motion is not changing. That tells
you that the object's velocity is constant ... it's moving in a straight line at a
steady speed (which may be zero).

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Air pollution affects everyone equally. true or false

Answers

This is false. People with asthma or allergies are affected more than people without those conditions.

False. There are people in different locations that do not use anything to pollute the air, so they have less pollution. There is also people who have asthma or react to pollution. Hope this helped!

Suppose you want to separate the leaves, acorns, and twigs from a pile of soil. Filtration and distillation are two processes of separating mixtures. Explain which process you would use and why.Have only 30 minutes to answer!!!!!
I will mark brainliest!

Answers

filtration b/c you can use different size filters

Mark him brainliest! XD

(your welcome btw)

When evaluating promotional claims, it is important to __________.a.do your own research c.determine if there are other possible solutions b.ask if it makes sensed.all of the above

Answers

D. ALL OF THE ABOVE.

Promotional claims are given by companies to attract potential buyers with the intent of selling their goods and services.

Consumers must not only rely on what these promotional claims are saying, instead one must do his or her own research to verify if said claims are true, will benefit the consumer and is the only viable or practical solution needed to satisfy the needs of the consumer.

Calculate the wavelength of violet light with a frequency of 750×10 to the 12

Answers

The wavelength of violet light with a frequency of 750 × 10^12 Hz is 400 nanometers (nm).

Wavelength is the distance between two consecutive peaks or troughs of a wave, representing the length of one complete cycle of the wave. It is commonly used to describe the size or scale of various types of waves, including electromagnetic waves such as light.

To calculate the wavelength of light, you can use the formula:

wavelength = speed of light/frequency

The speed of light is approximately 3.00 × 10^8 meters per second.

Let's plug in the values:

frequency = 750 × 10^12 Hz

speed of light = 3.00 × 10^8 m/s

wavelength = (3.00 × 10^8 m/s) / (750 × 10^12 Hz)

Simplifying the expression:

wavelength = (3.00 / 750) × (10^8 / 10^12) m

wavelength = 4.00 × 10^-4 m

Therefore, the wavelength of violet light is approximately 4.00 × 10^-4 meters or 400 nanometers (nm).

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Wavelength (L) is equal to the Speed of Light (c) divided by the Frequency (f) ; L = c / f

L = (299,792,458 m/s) / (750E12 Hz) = 3.9972E-7 = 399.72E-9
or roughly 400 nanometers

According to Newton's Third Law of Motion, what happens when two objects of unequal masses collide? A.
The object with the larger mass will have greater damage.

B.
The object with the smaller mass will continue forward due to inertia.

C.
They will push away from each other in proportion to their masses.

D.
They will both make a sudden stop.

Answers

Newton's third law is that for every action, there is an equal and opposite reaction.
A Damage is not a part of physics, at least I don't think it is.
B Is just downright wrong. If anything, the smaller mass will be pushed forward with the heavier mass.
C Sounds correct
D It's wrong, because the masses are not equal, or else they would stop.

An alpha particle is identical to a(n) _____.electron
electromagnetic wave
helium nucleus
uranium nucleus

Answers

The correct answer is helium nucleus. An alpha particle has a two neutrons and protons that formed together into a particle which also happens to be very identical to the helium nucleus. However, the helium particles that are being produced by particle accelerator are less to be referred as an alpha particle.

An alpha particle is identical to a(n) helium nucleus. An alpha particle is identical to a helium nucleus because both have two protons and two neutrons. Essentially, a helium atom stripped of its electrons becomes an alpha particle.

The correct option is C.

An alpha particle is a type of ionizing radiation consisting of two protons and two neutrons, essentially a helium nucleus without electrons. These particles have a relatively large mass and carry a positive charge, making them highly ionizing and potentially harmful if they interact with living tissue. Alpha particles are commonly emitted by certain radioactive materials, such as uranium and radon. Due to their limited penetration ability, alpha particles are primarily hazardous when ingested or inhaled, posing significant health risks, including an increased risk of cancer and tissue damage.

An alpha particle is identical to a helium nucleus. Alpha particles are a type of ionizing radiation that consist of two protons and two neutrons, which is also the composition of a helium nucleus without its electrons. In other words, when a helium atom loses its two electrons, it becomes an alpha particle. Thus, an alpha particle can be considered as a helium nucleus.

Hence The correct option is C.

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