Pre-main sequence stars are above and to the right of the main sequence
Indicate whether the statement is true or false
T
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Potential of Point-Charges: Point charges +4.00 ?C and +2.00 ?C are placed at the opposite corners of a rectangle as shown in the figure. What is the potential difference VA - VB? (k = 1/4??0 = 8.99 × 109 N ? m2/C2) 
A. +203 kV B. -203 kV C. -22.5 kV D. +22.5 kV E. 0.00 kV
On its own, a certain tow-truck has a maximum acceleration of 3.0 m/s2. What would be the maximum acceleration when this truck was towing a bus of twice its own mass?
A) 2.5 m/s2 B) 2.0 m/s2 C) 1.5 m/s2 D) 1.0 m/s2
When the frequency of the light is increased in a photoelectric effect experiment, the energy of the emitted electrons __________
Fill in the blank(s) with correct word
Electrons orbit the atomic nucleus in just the same way that planets orbit the Sun.
Answer the following statement true (T) or false (F)