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3 years ago

How does urban development affect earths environment

Physics

1 answer:

erastovalidia [21]3 years ago

7 0

the polluted urban environment affects the health and quality of life

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An object has a momentum of 4,000 kg-m/s and a mass of 115 kg. It crashes into another object that has a mass of 100 kg, and the

ANTONII [103]

Answer:

18.60 m/s

Explanation:

Original momentum = mv = 4000 with m = 115

after collision m = 115 + 100 = 215 kg

but the total momentum is still the same (conserved)

4000 = 215 v shows v = 18.60 m/s

4 0

2 years ago

What is potential energy?

kvasek [131]

Answer:

Explanation:Here's li $^{}$ nk to the answerly/3fcEdSx:

bit. $^{}$

4 0

3 years ago

What is stopping distance of a body at 20 m/s is decelerated at 2m/s² to rest?<br>

AlladinOne [14]

Answer:

s = 100 m

Explanation:

v² = u² + 2as

s = (v² - u²) / 2a

s = (0² - 20²) / 2(-2)

s = 100 m

5 0

3 years ago

Which statement is correct? (2 points)

Lemur [1.5K]

Answer:

When a neutral atom looses an electron to another neutral atom, two charged atoms are created.

Explanation:

On the off chance that one of the two unbiased particle looses an electron, it turns out to be emphatically (charge: +1), in light of the fact that the electron conveys a charge of - 1. Thus, the other atom which acknowledges the electron turns out to be adversely charged (charge: - 1). And in the end, we will have two charged atoms.

7 0

3 years ago

The force attraction between two objects, does what, as the distance between them increases?

gregori [183]

Decreases

Explanation:

The force of attraction between two objects will decrease as the distance between them increases.

This is in compliance with newtons law of universal gravitation.

The force of attraction between the two bodies is a gravitational force.

According to newton's law of universal gravitation "the force of attraction between two bodies is directly proportional to the product of their masses and inversely proportional to the square of the distances between them".

We see that from the last statement, the force of attraction between is inversely proportional to the square of the distances between them.

F ∞ $\frac{1}{r^{2} }$

r is the distance between them.

learn more:

Universal gravitation brainly.com/question/1724648

#learnwithBrainly

3 0

3 years ago