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3 years ago

The force of gravity on a car driving on the surface of a planet is called

Physics

2 answers:

nata0808 [166]3 years ago

8 0

The answer should be A) Mass.

Katena32 [7]3 years ago

4 0

C) Weight is correct. The force of gravity acting upon anything is weight.
A) mass is how much stuff is in something
B) relates to freefall, after the resistance in the air prevents any acceleration
D) freefall=object falling

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2 years ago

Dimension equation of work

kkurt [141]

Answer:

Explanation:

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3 years ago

Read 2 more answers

g In a certain binary-star system, each star has the same mass which is 8.2 times of that of the Sun, and they revolve about the

Mademuasel [1]

To solve this problem it is necessary to apply the concepts related to the Third Law of Kepler.

Kepler's third law tells us that the period is defined as

$T^2 = \frac{4\pi^2 d^3}{2GM}$

The given data are given with respect to known constants, for example the mass of the sun is

$m_s = 1.989*10^{30}$

The radius between the earth and the sun is given by

$r = 149.6*10^9m$

From the mentioned star it is known that this is 8.2 time mass of sun and it is 6.2 times the distance between earth and the sun

Therefore:

$m = 8.2*1.989*10^{30}$

$d = 6.2*149.6*10^6$

Substituting in Kepler's third law:

$T^2 = \frac{4\pi^2 d^3}{2}$

$T^2 = \frac{4\pi^2(6.2*149.6*10^9)^3}{2(6.674*10^{-11} )(8.2*1.989*10^30 )}$

$T=\sqrt{\frac{4\pi^2(6.2*149.6*10^9)^3}{2(6.674*10^{-11} )(8.2*1.989*10^30)}}$

$T = 120290789.7s$

$T = 120290789.7s(\frac{1year}{31536000s})$

$T \approx 3.8143 years$

Therefore the period of this star is 3.8years

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3 years ago

The temperature of a 5.0 kg block increases by 3 degrees C when 2,000 J of thermal energy are added to the block. What is the sp

AlexFokin [52]

Sorry bro I just need points for my calculus exam

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3 years ago