The most common isotope of oxygen has atomic number 8 and atomic weight 16. Another isotope has two extra neutrons. What are the atomic number and atomic weight of this isotope?
What will be an ideal response?
The atomic number would still be 8 because the number of protons wouldn't change, but the atomic weight would increase to 18.
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What average net force is required to accelerate a car with a mass of 1200 kg from 0 to 27.0 m/s in 10.0 s?
A) 444 N B) 1620 N C) 3240 N D) 4360 N E) 11800 N
The reaction energy associated with a nuclear reaction is
a. the total change in rest energy as a result of the reaction. b. equivalent to the disintegration energy. c. the minimum energy necessary for such a reaction to occur. d. called the threshold energy. e. the binding energy of the nucleons.
A point charge Q is placed on the x axis at x = -2.0 m. A second point charge, -Q, is placed at x = 1.0 m. If Q = 60 mC, what is the magnitude of the electrostatic force on a 40-mC charge placed at the origin?
a. 16 N b. 27 N c. 32 N d. 11 N e. 3.0 N
For the circuit in the figure below, is the instantaneous voltage of the source is equal to