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3 years ago

What was the first president of the United States

Physics

1 answer:

Ksenya-84 [330]3 years ago

8 0

John hanson in the year 1781 was the first president of the United States before George washington.

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a. Find the magnitude of the gravitational force (in N) between a planet with mass 6.50 ✕ 1024 kg and its moon, with mass 2.45 ✕

Vanyuwa [196]

Answer:

a. $1.70\times 10^{20} N$ b. $6.94\times 10^{-3}m/s^2$ c. $2.62\times 10^{-5} m/s^2$

Explanation:

Use Gravitational Force:

$F= G\frac{Mm}{r^2}$

Use values given to have the results.

$g=\frac{F}{m}$

Use m as the mass of the Moon. Using values of a. and m you have the answer.

$g = \frac{F}{M}$

Use M mass of the planet. Use value of a and Mass of Planet.

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3 years ago

LED lights will only work if the current is flowing in one direction. Which type of current would be best for powering an LED li

klasskru [66]

Answer:

Explanation: i took the same text and got a 90

6 0

3 years ago

Read 2 more answers

If the motor exerts a constant force of 30 lb on the cable, determine the power that must be supplied to the motor if the load h

valentinak56 [21]

Try chegg they have answers

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3 years ago

Air masses that form over land are moist true or false

Troyanec [42]

False I think

Hope this helped ^^;

7 0

3 years ago

Let's begin with a simple calculation of the weight of air using density. Find the mass of air and its weight in a living room t

spin [16.1K]

1. The mass of the air, given the data is 85.88 Kg

2. The weight of the air is 841.624 N

3. The mass of an equal volume of water is 67338 Kg

4. The weight of an equal volume of water is 659912.4 Kg

5. The volume of water that would have a mass equal to the mass of air in the room is 8.588×10⁻² m³

<h3>How to determine the volume of the air</h3>

We shall determine the volume of the air in the room by finding the volume of the room.

Volume of air = volume of room

Volume of air = 4.3 × 5.4 × 2.9

Volume of air = 67.338 m³

<h3>1. How to determine the mass of the air</h3>

Volume of air = 67.338 m³
Density of air = 1.2754 kg/m³
Mass of air = ?

Density = mass / volume

Cross multiply

Mass = Density × volume

Mass of air = 1.2754 × 67.338

Mass of air = 85.88 Kg

<h3>2. How to determine the weight of the air</h3>

Mass of air (m) = 85.88 Kg
Acceleration due to gravity (g) = 9.8 m/s²
Weight of air (W) = ?

W = mg

W = 85.88 × 9.8

Weight of air = 841.624 N

<h3>3. How to determine the mass of equal volume of water</h3>

Volume of air = 67.338 m³
Volume of water = Volume of air = 67.338 m³
Density of water = 1000 kg/m³
Mass of water = ?

Density = mass / volume

Cross multiply

Mass = Density × volume

Mass of water = 1000 × 67.338

Mass of water = 67338 Kg

<h3>4. How to determine the weight of equal volume of water</h3>

Mass of water = 67338 Kg
Acceleration due to gravity (g) = 9.8 m/s²
Weight of water (W) = ?

W = mg

W = 67338 × 9.8

Weight of air = 659912.4 Kg

<h3>5. How to determine the volume of water with equal mass of air </h3>

Mass of air = 85.88 Kg
Mass of water = Mass of air = 85.88 Kg
Density of water = 1000 kg/m³
Volume of water = ?

Volume = mass / density

Volume of water = 85.88 / 1000

Volume of water = 8.588×10⁻² m³

Learn more about density:

brainly.com/question/952755

Learn more about mass and weight:

brainly.com/question/14684564

#SPJ1

6 0

1 year ago