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3 years ago

Newton's law of gravitation states that two masses will ______.

Physics

2 answers:

hjlf3 years ago

8 0

Answer:

The correct option is B

Explanation:

Newton's law of gravitation states that every particle of an object/matter attract every other particle of another object/matter in the universe with a force directly proportional to the product of the particle masses but inversely proportional to the square the of the distance between them.

The formula for this law is

F = G × Mm/r²

Where F = Force (in newtons)

M and m = the two masses (in kg)

r = distance

spin [16.1K]3 years ago

4 0

Pretty sure the answer is B. Attract each other

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iris [78.8K]

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Explanation:

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3 years ago

A copper sphere was moving at 40 m/s when it hit another object. This caused all of the KE to be converted into thermal energy f

USPshnik [31]

Answer:

Temperature increase = 2.1 [C]

Explanation:

We need to identify the initial data of the problem.

v = velocity of the copper sphere = 40 [m/s]

Cp = heat capacity = 387 [J/kg*C]

The most important data given is the fact that when the shock occurs kinetic energy is transformed into thermal energy, therefore it will have to be:

$E_{k}=Q\\ E_{k}= kinetic energy [J]\\Q=thermal energy [J]\\Re-employment values and equalizing equations\\\\\frac{1}{2} *m*v^{2}=m*C_{p}*dT \\The masses are canceled \\\\dT=\frac{v^{2}}{C_{p} *2} \\dT=2.1 [C]$

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3 years ago

Justify why does a bird flap its wing to fly higher??

SpyIntel [72]

Answer:

they use thermals and air currents to glide.

Explanation:

when they flap higher they use thermals and air currents because flapping takes a lot of fuel,energy

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3 years ago

Can energy be neither created nor destroyed by ordinary means

IgorLugansk [536]

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3 years ago

What’s the units of specific heat

DiKsa [7]

Hello Esmeralda

Specific heat is measured in Joules per g times degree Celsius.

I hope this helps!

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