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adell [148]
2 years ago
9

With a bit of algebraic reasoning find your gravitational acceleration toward any planet of mass M a distance d from its center.

Physics
1 answer:
grandymaker [24]2 years ago
5 0

The acceleration due to gravity is given as:

                             g = GM/r²

<h3>Derivation of gravitational acceleration:</h3>

According to Newton's second law of motion,

F = ma

where,

F = force

m = mass

a = acceleration

According to Newton's law of gravity,

F<em>g </em>= GMm/(r + h)²

F<em>g = </em>gravitational force

From Newton's second law of motion,

F<em>g </em>= ma

a = F<em>g</em>/m

We can refer to "a" as "g"

a = g = GMm/(m)(r + h)²

g = GM/(r + h)²

When the object is on or close to the surface, the value of g is constant and height has no considerable impact. Hence, it can be written as,

g = GM/r²

Learn more about gravitational acceleration here:

brainly.com/question/2142879

#SPJ4

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Which term defines the amount of mechanical work an engine can do per unit of heat energy it uses? A. specific heat B. conductiv
KengaRu [80]

Answer:

Efficiency

Explanation:

  • The amount of mechanical work an engine can do per unit of heat energy it uses is called its efficiency.
  • It is also defined as the output divided by the total electrical power consumed.
  • In terms of heat, efficiency of engine is given by :

\eta=1-\dfrac{Q_o}{Q_i}

Q_o\ and\ Q_i are output heat and input heat respectively.

Hence, the correct option is (d) "efficiency"

4 0
3 years ago
Calculate the speed of a body covering a distance of 320 km in 4h
Mice21 [21]

We have that the  speed of a body covering a distance of 320 km in 4h is mathematically given as

V=22.22m/s is

<h3 /><h3>
Speed</h3>

From the question we are told

calculate the speed of a body covering a distance of 320 km in 4h

Generally the equation for the  Speed  is mathematically given as

V=\frac{distance }{time}\\\\Therefore\\\\V=\frac{320*1000}{4*60*60}\\\\

V=22.22m/s

Hence

The  speed of a body covering a distance of 320 km in 4h is

V=22.22m/s

For more information on Speed visit

brainly.com/question/7359669

4 0
2 years ago
6 points + Brainliest asap!
Artist 52 [7]

Answer:

  The acceleration would double

Explanation:

Assuming the same box and spring, the maximum acceleration is proportional to amplitude. When the amplitude doubles, the acceleration would double.

__

A spring is generally considered to have a linear force vs. distance characteristic. Hence, doubling the distance doubles the force. The acceleration is proportional to the force.

3 0
3 years ago
3. what could you do to increase the precision of your measurements? What factors limit the
Vika [28.1K]

Answer:

Use specific tools built specifically for that specific measurement.

Explanation:

8 0
3 years ago
A university is planning to send an optical telescope into orbit. stuents attending the university will be able to view which of
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Where are the answers? If there's anything about a white light coming from space I would choose that one. 
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