The space shuttle is located exactly half way between the earth and the moon. Which statement is true regarding the gravitational pull on the shuttle?

Answers

Answer 1

Answer:

Answer:

The correct answer is option B)

Explanation:

Considering the given question as -

The space shuttle is located exactly half way between the earth and the moon. Which statement is true regarding the gravitational pull on the shuttle? A) The moon pulls more on the shuttle. B) The earth pulls more on the shuttle. C) Both are equal due to equal distances. D) Both are equal due to the mass of the shuttle.

We know that gravitational pull (F) between any two bodies of mass $M_(1)$ and $M_(2)$ is given by -

F = $(GM_(1)M_(2) )/(r^(2) )$ where 'r' is the distance between the two bodies.

Let ,

$M_(e)$ : Mass of the earth

$M_(m)$ : Mass of the moon

m : Mass of the satellite

$r_(e)$ : Distance of satellite from earth

$r_(m)$ : Distance of satellite from moon

Given that $r_(e)$ = $r_(m)$

Let $r_(e)$ = $r_(m)$ =r

Force on satellite by the earth is -

$F_(e)$ = $(GM_(e)m )/(r^(2) )$

Force on satellite by the moon is -

$F_(m)$ = $(GM_(m)m )/(r^(2) )$

∵ Mass of earth ( $M_(e)$ ) > Mass of moon ( $M_(m)$ )

∴ $F_(e)$ > $F_(m)$

∴ The gravitational pull of earth on satellite is more than that of the moon.

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Imagine that you are baking brownies for a bake sale at school. Which of the following pans is least likely to cause you to burn the bottoms of your brownies?a glass pan, an aluminum pan, a cast iron pan or a copper pan

Answers

glass will work the best

true or false? constructive interfernce occurs when a crest meets up with another crest at a given location along the medium

Answers

False , the crests do not meet up along the medium

Calculate the average speed (in m/s) of a cheetah that runs 140 meters in 5 seconds

Answers

should be 28 meters per second.
140m ÷ 5s

Final answer:

The average speed of a cheetah that runs 140 meters in 5 seconds is calculated by dividing the distance by time, which equals 28 m/s.

Explanation:

To calculate the average speed of a cheetah running a distance of 140 meters in 5 seconds, we use the formula for average speed which is:

Average Speed = Distance / Time

Substituting the given values of distance and time in this equation, we get:

Average Speed = 140 meters / 5 seconds

Solving this, we obtain the average speed of the cheetah as 28 m/s.

The average speed is a scalar, meaning we do not include direction in the answer. For comparison purposes, the speed of a typical automobile might be around 15 m/s.

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Emily jogs 3 laps at the track to warm up. She jogs at 5 mph. Then she runs 3more laps at 7 mph. What is true about her average speed and her average
velocity?

Answers

Answer:

Emily's average speed is 6 mph and her average velocity is zero.

Explanation:

We can calculate the average speed as:

s = (s₁ + s₂) / 2 = (5 mph + 7 mph ) /2 = 12 mph / 2 = 6 mph

s: average speed

s₁: speed in the first 3 laps

s₂: speed in the second 3 laps

And we can calculate the average velocity as:

v = (df - di) / t = (0 m - 0 m) / t = 0 m / t = 0 m / s

v: average velocity

df: final displacement

di: initial displacement

t: time

As Emily is finally in the same place, it doesn't matter the time to finish the 6 laps, we know that the displacement is zero so the average velocity is zero too.

Boyle’s Law: When____ is held constant, the pressure and volume of a gas are___ proportional.It didnt give me a word bank
No link answers please

Answers

Boyle’s Law states that, when temperature is held constant, the pressure and volume of a gas are inversely proportional.

What is meant by gas laws ?

Gas laws are defined as the laws that govern the properties of gases by determining the relationships between the pressure, volume and temperature of the gases.

Here,

Boyle's law is the gas law that governs the relationship between the pressure and volume of gases.

Boyle's law states that, for an ideal gas at a unit mass, the pressure of the gas is inversely proportional to the volume of the gas, at constant temperature.

P $\alpha$ 1/V

PV = a constant

When the temperature of the gas is held constant.

Hence,

Boyle’s Law states that, when temperature is held constant, the pressure and volume of a gas are inversely proportional.

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Answer:

When temperature is held constant, the pressure and volume of a gas are not proportional.

Explanation:

That is Boyle's Law

Use the terms atom and element to explain what makes silver and gold different

Answers

An element is a substance made of many atoms of the same kind. Silver and gold are different elements, for the following reason:
- silver is an element whose atoms have atomic number 47 (i.e., an atom of silver contains 47 protons and 47 electrons)
- gold is an element whose aroms have atomic number 79 (i.e., an atom of gold contains 79 protons and 79 electrons)

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