Two charges are separated by a certain distance. If the magnitude of each charge is doubled the force on each charge is
a. halved.
b. doubled.
c. tripled.
d. quadrupled.
Ans: d. quadrupled.
You might also like to view...
Denis swims the length of a 40. meter pool in 10. seconds and immediately swims back to the starting position in another 15. seconds. What was his average speed?
What will be an ideal response?
Which characteristic is not generally true of a starburst galaxy?
A) The observed features that cause us to classify it as a "starburst" must be only temporary phenomena in the galaxy's history. B) The observed features of the starburst are thought to be caused by the presence of a supermassive black hole in the galaxy's center. C) Supernovae occur so frequently that their effects combine to drive a galactic wind that blows material into intergalactic space. D) Its rate of star formation is many times higher than the rate of star formation in the Milky Way.
At what speed will a car round a 52.0-m-radius curve, banked at a 40.0° angle, if no friction is required between the road and tires to prevent the car from slipping? (g = 9.80 m/s2)
a. 18.1 m/s b. 22.6 m/s c. 20.7 m/s d. 43.6 m/s
When an LRC series circuit is at resonance, which one of the following statements about that circuit is accurate? (There may be more than one correct choice.)
A) The reactance due to the inductor and capacitor has its maximum value. B) The reactance of the capacitor is zero. C) The current amplitude is a maximum. D) The reactance of the inductor is zero. E) The impedance has its maximum value.