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steposvetlana [31]
2 years ago
14

Can u help me. thank you​

Physics
2 answers:
katrin2010 [14]2 years ago
6 0
I can give you a search engine that could help you with all ir hw its called socratic it uses everything on the internet to search for answers it’s literally a search engine
Gemiola [76]2 years ago
4 0
I’m not sure but it’s either c because it’s the one that makes more sense but it’s could also be them
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why does earth orbit the sun rather than any other body in the solar system? a) the mutual repulsions among all the planets hold
ElenaW [278]

Answer: c) the sun is the most massive object; gravitational attraction is related to mass.

Explanation:

Gravitational pull exists between any two objects having mass.  

F =\frac{GMm}{r^2}

where symbols have their usual meaning.

All the planets including Earth revolve around the Sun because its the most massive object in the neighborhood and thus has high gravitational pull. This gravitational pull of Sun keeps the Earth in its orbit around it.  

Hence, the correct answer is earth orbit the sun rather than any other body in the solar system because c) the sun is the most massive object; gravitational attraction is related to mass.

5 0
4 years ago
Read 2 more answers
WILL GIVE BRAINLIEST!
Andrews [41]

<u>Order sequence of steps that are involved in the production of work by a four-stroke heat engine as follows: </u>

  • Piston moves down, allowing fuel-air mixture to enter intake valve
  • Piston moves up, compressing gas and causing gas to increase its temperature
  • Combustion as gas is still compressed; increase in energy from combustion pushes piston down
  • Piston moves up, pushing burned gases through exhaust valve: Spark plug fires, causing

Answer: Options D, A, C and B

<u>Explanation: </u>

There are four basic steps of a four stroke engine- Intake, Combustion, Power and Exhaust. The first step is the intake of air plus fuel mixture in the combustion chamber. At this time, the piston moves down. Now when the chamber is closed, the spark plug ignites fire which expands the fuel gases.

The gases push down, piston and crankshaft rotates in this way. Once the gases the combustion is done, there is plenty of space in the chamber that makes the piston moves up. In this way a complete cycle is completed and the crankshaft moves. That’s the working of this four stroke engines.

6 0
3 years ago
Read 2 more answers
How are frequency and wave period Related?
exis [7]

The frequency and period of any wave are reciprocals.

Frequency = 1/period and Period = 1/frequency .

That means that the product of (frequency) times (period) of any wave is always the same. The product is always ' 1 ', with no unit.

7 0
3 years ago
A ball thrown by Ginger is moving upward through the air. Diagram A shows a box with a downward arrow. Diagram B shows a box wit
vichka [17]

As the ball is moving in air as well as we have to neglect the friction force on it

So we can say that ball is having only one force on it that is gravitational force

So the force on the ball must have to be represented by gravitational force and that must be vertically downwards

So the correct FBD will contain only one force and that force must be vertically downwards

So here correct answer must be

<em>Diagram A shows a box with a downward arrow. </em>

8 0
3 years ago
Which of the above beak depth vs time graphs represent the change in finch beak depth that would occur due to successive years o
Alina [70]

Answer:

A

Explanation:

I just did it :)

6 0
4 years ago
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