What velocity will move an object from 50 m to −50 m in 20 s?

Answers

Answer 1

Answer: To find the velocity that will move an object from 50 m to -50 m in 20 seconds, we can use the formula for velocity:

Velocity = Displacement / Time

Given that the object moves from 50 m to -50 m, the total displacement is 50 m (from 50 to 0) plus 50 m (from 0 to -50), which equals 100 m. The time taken is 20 seconds.

Plugging the values into the formula, we get:

Velocity = 100 m / 20 s = 5 m/s

Therefore, the velocity required to move the object from 50 m to -50 m in 20 seconds is 5 m/s.

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When an oxygen atom forms an ion, it gains two electrons. What is the electrical charge of the oxygen ion? A.-2

B.+2

C.+1

D.-1

Answers

The oxygen atom, before it gains these two electrons, has a neutral charge, meaning that it has as many protons as electrons. After it gains 2 electrons, it has 2 more electrons than protons. Each electron has a charge of -1, so the whole molecule will have a charge of -2. The correct answer is a)!

Answer:

A is the corect answer

Explanation:

Which would be the best strategy for overcoming tobacco addiction?

Answers

by eating bananas because bananas contain potassium which helps you quite smoking hope this helps

Answer:

A. Tell friends, and commit a day to start quitting.

Explanation:

Additional support from close friends and family is one of the easiest and most efficient ways of reducing, then quitting tobacco / nicotine addictions. (I also got this answer right on Plato / Edmentum).

As the particles in a soup reach the boiling point what do you expect to happen

Answers

As the particles in a soup reach the boiling point, the kinetic energy of the molecules will start increasing and ultimately bubbles will be created in the soup and it will slowly start to vaporize. Boiling point of a liquid is the temperature at which the vapor pressure of the liquid will become equal to the atmospheric pressure.

suppose that you look into a photometer's eyepiece and the fluorescent disks appear to be equal in intensity. If the distance between the photometer to lamp 1 is 400mm, the distance between the photometer to lamp 2 is 200 mm, and the intensity of lamp 2 is known to be 15 candelas, what is the intensity to lamp 1?

Answers

Use the Inverse square law, Intensity (I) of a light is inversely proportional to the square of the distance(d).

I=1/(d*d)

Let Intensity for lamp 1 is L1 distance be D1 so on, L2 D2 for Intensity for lamp 2 and its distance.

L1/L2=(D2*D2)/(D1*D1)

L1/15=(200*200)/(400*400)
L1=15*0.25
L1=3.75 candela

When an automotive battery is fully charged, the sulfuric acid and water mixture will have a specific gravity of abouta. 1.0.
b. 0.15.
c. 2.5.
d. 1.3.