What is linear momentum?

Answers

Answer 1

Answer:

Linear momentum is a vector quantity defined as the product of an object’s mass and it's velocity

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Which quantities indicate a direction and a magnitude?Check all that apply.
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X-raysUV light waves Sound waves Earthquake waves All of these have which characteristic in common?

Explain why the gravitational acceleration of any object near earth is the same matter what was the mass of the object

Answers

It takes greater force to accelerate an object that has more mass. But the gravitational force between the Earth and an object is greater when the object hass more mass. It works out just right to make any object with any mass accelerate at the same rate.

Is it possible for a distance versus-time graph to be a vertical line?

Answers

If time is the x axis and distance is the y axis then yes, in the case that time is going by but distance remains the same.

Answer:

In a distance-time graph, time is on the horizontal axis, or x-axis, and distance is on the vertical axis, or y-axis. As an object moves, the distance it travels increases with time. ... You can use the steepness, or slope, of a line in a distance-time graph to determine the speed of an object if speed is constant.

Explanation:

The electromagnetic wave shown above is made of vibrating

Answers

The electromagnetic wave shown above is made up of vibrating Electric fields.

I assume this is why electromagnetic waves can travel through a vacuum, due to lack of matter.

Answer:

Electromagnetic waves are transverse waves that consist of a combined magnetic and electric effect.

Explanation:

wth :^)

What are the four most common gases in dry air?

Answers

The four most common gases in dry air are nitrogen, oxygen, carbon dioxide, and water vapor.

The four most common gases in dry air are nitrogen, oxygen, carbon dioxide, and water vapor.

Nitrogen is the most abundant gas in dry air, making up about 78.6% of the air.

Oxygen is the second most abundant gas, accounting for approximately 20.9% of the air.

Carbon dioxide is present in small amounts, around 0.04%, but it plays an important role in the Earth's carbon cycle and climate. Water vapor, despite being a variable component, can make up around 0.5% of the air.

Learn more about common gases in dry air here:

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nitrogen
oxygen
argon
carbon dioxide

How is Ohm's Law related to house fires?

Answers

I got my bachelor's degree in Electrical Engineering in 1973, and
I have worked with electricity and electronics during the 43 years
since then. Maybe I'm missing something obvious, but I can't think
of any connection between Ohm's Law and house fires. I'm really sorry.

HELP ASAP PLEASE PHYSICS 1.How much charge is carried across a 5.5 A current over a time of 8.3 seconds? (1 point)
45.65 C
52.79 C
78.11 C
20.05 C

2.A current of 1.90 A flows through a wire. How many electrons pass through that wire in 1 second? The charge of an electron is 1.602 x 10^-19 C (1 point)
2.32 x 10^19 electrons
2.01 x 10^18 electrons
1.04 x 10^20 electrons
1.19 x 10^19 electrons

3.A battery of voltage 9.0 V produces a current of 17.5 mA across a circuit. What is the resistance of the circuit? (1 point)
433 Ohms
514 Ohms
701 Ohms
384 Ohms

4.A battery is marked as having a voltage of 12.0 V and is connected to a circuit that has a resistance of 5.0 Ohms. If the terminal voltage is 8.75 V, what is the internal resistance of the circuit? (1 point)
1.02 Ohms
1.86 Ohms
2.45 Ohms
1.36 Ohms

5.A 12.0 V battery is attached to a circuit with a resistor of 5.5 Ohms. The internal resistance of the circuit is 1.75 Ohms. What is the terminal voltage of the circuit? (1 point)
9.01 V
12.8 V
7.67 V
10.3 V

6.A resistor has a potential difference of 16.5 V across it. It develops thermal energy at 340 W. What is the current across the resistor? (1 point)
15.5 A
23.9 A
31.1 A
20.6 A

7.A 120 V potential difference goes through a light bulb. The wattage of the bulb is 70 W. What is the resistance of the bulb? (1 point)
206 Ohms
114 Ohms
378 Ohms
256 Ohms

8.What is the equivalent resistance in this circuit? (1 point)

26 Ohms
13 Ohms
32 Ohms
18 Ohms

9.What is the equivalent resistance in this circuit? (1 point)

2 Ohms
5 Ohms
1.25 Ohms
3 Ohms

10.A tightly coiled spring has 70 coils, each coil has a diameter of 2.5 cm. The coil is made of conducting cylindrical wire that has a diameter of 3.0 mm. If an ohmmeter records the resistance across this wire as 2.70 Ohms, what is the resistivity of the wire? (1 point)
0.120
0.036
0.089
0.051