An object thrown upward experiences free fall
Indicate whether the statement is true or false
TRUE
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Dimensional Analysis: The gravitational force of attraction F between two tiny masses m1 and m2 that are separated by a distance r is F = G 
. In the SI system, force has units of kg ? m/s2 . Use the given gravitational force formula to determine the SI units of G in terms of the fundamental quantities of mass, length, and time.
Fill in the blank(s) with the appropriate word(s).
Which of the following is NOT a possible value for the electric charge on an object?
A) 8 x 10-20 C B) 8 x 10-19 C C) 8 x 10-18 C D) 8 x 10-17 C E) 8 x 10-16 C
If the net work W is done on an object is positive, the object's kinetic energy increases by an amount W
Indicate whether the statement is true or false
Two conducting wires A and B of the same length and radius are connected across the same potential difference. Conductor A has twice the resistivity of conductor B. What is the ratio of the power delivered to A to the power delivered to B?
1.2 2.?2 3.1 4.1/?2 5.1/2