The constant G that appears in the equation F = Gm1m2/r2 is
a. smaller on the Moon than on Earth.
b. the force of gravity.
c. equal to 9.8 m/s2.
d. the acceleration due to gravity.
e. equal to 6.67 × 10^-11 Nm2/kg2.
e
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_________is uniform removal of metal from a part to produce a smooth surface by using electrochemical techniques.
Fill in the blank(s) with the appropriate word(s).
One light-year is about 10 trillion kilometers
Indicate whether the statement is true or false
Orphan planets will most likely be found using which method used for finding exoplanets?
A) Doppler B) transit C) microlensing D) astrometric
Consider a spherical Gaussian surface of radius R centered at the origin. A charge Q is placed inside the sphere. To maximize the magnitude of the flux of the electric field through the Gaussian surface, the charge should be located
A) at x = 0, y = 0, z = R/2. B) at the origin. C) at x = R/2, y = 0, z = 0. D) at x = 0, y = R/2, z = 0. E) The charge can be located anywhere, since flux does not depend on the position of the charge as long as it is inside the sphere.