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3 years ago

2. Describe what would happen to both air temperature and soil temperature if cold weather were to pass through the area.

1 answer:

7 0

The air temperature would drop quickly compared to the soil because the difference between solid and gas. But the ground will stay cooler longer than the air because it contains it better than the air.

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List three advantages of reflecting telescopes over refracting telescopes.

Dima020 [189]

Answer:

Three advantages of Reflecting Telescope over refracting Telescope:

1. there is no chromatic aberration in the Reflecting Telescope being mirror as an objective, while Refracting Telescope can suffer chromatic aberration being using lenses.

2. image of Reflecting Telescope is brighter due to large, polished curved mirrors than Refracting Telescope

3. Reflecting Telescope is compact and portable in size than Refracting Telescope.

4 0

3 years ago

Suppose a ceiling fan has a mass of 7.5 kg and is 9.7 m above the ground. What is the gravitational potential energy of the ceil

EleoNora [17]

The gravitational potential energy (G.P.E) of the ceiling fan is 712.95 Joules.

Given the following data:

Mass of ceiling fan = 7.5 kg

Height = 0.7 m

Scientific data:

Acceleration due to gravity = 9.8 $m/s^2$

To calculate the gravitational potential energy (G.P.E) of the ceiling fan:

<h3>What is gravitational potential energy?</h3>

Gravitational potential energy (G.P.E) can be defined as the energy that is possessed by an object or body due to its position (height) above planet Earth.

Mathematically, gravitational potential energy (G.P.E) is given by this formula;

$GPE = mgh$

Where:

G.P.E is the gravitational potential energy.

m is the mass of an object.

g is the acceleration due to gravity.

h is the height of an object.

Substituting the given parameters into the formula, we have;

$GPE = 7.5 \times 9.8 \times 9.7$

GPE = 712.95 Joules.

Read more on potential energy here: brainly.com/question/8664733

8 0

2 years ago

What velocity must a 1240 kg car have in order to have the same

Bond [772]

Answer:

Explanation:

cause

6 0

3 years ago

What are the highlands of the moon called? A) Maria B) Terrae C)Regolith D)Crater

marissa [1.9K]

Answer:

C)Regolith

PLEASE GIVE BRAINLIEST

8 0

3 years ago

Read 2 more answers

A trumpet player is tuning his instrument by playing an A note simultaneously with the first-chair trumpeter, who has perfect pi

Marysya12 [62]

Answer:

The two possible frequencies of the other player's note are 437.3 Hz and 442.7 Hz

Explanation:

Given Data

f₁=440 Hz

fₐ=2.7 beats per seconds

The beat frequency is equal to the difference in the frequencies of the two original waves:

f =|(f₁±fₐ)|

First to Solve for (-) Sign we get

f=|(440-2.7)|

f=437.3 Hz

Now for Solve for (+) Sign we get

f=|(440+2.7)|

f=442.7 Hz

The two possible frequencies of the other player's note are 437.3 Hz and 442.7 Hz

7 0

3 years ago