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'q' and 1/(4 pi ε0)

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How f g m mr² changes to g g mr²?

As per Newton's Law of gravitation F = G * M * m/R^2 But also F = mg Thus, mg = G * M * m/R^2. In this equation m and m will cancel out to get the final result as: g = G * M/R^2.


Does the value of a g and G vary.how?

The value of universal gravitational Constant(G) doesn't change it is constant at any place in the universe, it's value is 6.67259 x 10-11Nm2/Kg2 But the value of g varies from from place to place on earth,planet to planet and star to star because g=GM/R2 As G is constant g depends on M=mass of planet,R=radius of planet,so g varies with the change in M and R.


What is m + g?

GSM (Global System for Mobile) is an international standard for mobile phones.


Time it takes for and object to fall 380m at the rate of gravity?

The time it takes for an object to fall 380m at the rate of gravity (approximately 9.81 m/s^2) can be calculated using the equation t = sqrt(2h/g), where t is the time in seconds, h is the height (380m in this case), and g is the acceleration due to gravity (9.81 m/s^2). Plugging in the values, the time it takes for the object to fall 380m would be approximately 8.74 seconds.


An object is dropped from rest from the top of a 100 m building How long will it take for the object to hit the ground?

The time it takes for an object to fall from rest can be calculated using the formula: time = sqrt(2h/g), where h is the height (100 m) and g is the acceleration due to gravity (9.81 m/s^2). Plugging in the values gives a time of about 4.51 seconds.

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