The period before the separation of the gravitational force is the Planck Epoch

Indicate whether the statement is true or false


TRUE

Physics & Space Science

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A 72 nC charge is located at x = 3.00 m on the x-axis and an 8.0 nC charge is located at x = 7.0 m. At what point on the x-axis is the electric field zero?

A. - 9.0 m B. 4.0 m C. -5.0 m D. 6.0 m E. 6.3 m

Physics & Space Science

A star that is known to be 10,000 times brighter than the sun has the same apparent brightness as a nearby G2 star. How many times further away is the bright star?

A) The bright star is 100 times further away than the nearby G2 star. B) The bright star is 10 times further away than the nearby G2 star. C) The bright star is 10,000 times further away than the nearby G2 star. D) The bright star is actually a factor of 10 times closer than the nearby G2 star.

Physics & Space Science

An object is not accelerated if

A) it is acted upon by an external influence. B) its speed remains unchanged while its direction of motion changes. C) its speed and its direction of motion are both unchanging. D) its speed changes while its direction of motion remains unchanged. E) both answers B and D are correct.

Physics & Space Science

The nuclear force can be all of the following EXCEPT:

a. short-range b. saturable c. spin dependent d. charge dependent

Physics & Space Science