Use a layout grid to position page content that consistently appears on all pages.
Answer the following statement true (T) or false (F)
True
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Assume that D and R have units of meters, T has units of seconds, m and M have units of kilograms, has units of meters per second, and has units of m/s2. Which of the following equations has self-consistent units?
A. D = mR2
B. m = M[1 + R2]
C. D = [1 – m/M]gT2
D. 
= mv2/R
E. D = 
2/RT
F. None of these can be correct.
A 5.0-?C point charge is placed at the 0.00 cm mark of a meter stick and a -4.0-?C point charge is placed at the 50 cm mark. At what point on a line joining the two charges is the electric field due to these charges equal to zero?
What will be an ideal response?
A 2.0-kg block slides on a rough horizontal surface. A force (magnitude P = 4.0 N) acting parallel to the surface is applied to the block. The magnitude of the block's acceleration is 1.2 m/s2 . If P is increased to 5.0 N, determine the magnitude of the block's acceleration
a. 2.1 m/s2 b. 2.3 m/s2 c. 1.9 m/s2 d. 1.7 m/s2 e. 3.2 m/s2
What is the correct formula for calcium phosphate?
a. Ca3P2 b. Ca2(PO4)3 c. Ca3(PO4)2 d. Ca2P3