Three point charges are placed at distances of d , 2 d , and 3 d from a point P. The particle that is 2 d away from P has a charge of 6 q . From the options given, assign charges to the remaining two point charges such that the potential at point P is zero.

Abeam of electrons with of wavelength of 7.5 x 10-6 m is incident on a pair of narrow rectangular slits separated by 0.75 mm. the resulting interference pattern is projected onto a screen 10.0 m from the slits. what is the separation of the interference maxima in the resulting interference pattern?

What are chlorofluorocarbons and what impact do they have on the atmosphere?

Abucket full of water weights 4 kg and water well is 10m deep. a girl draws water from the well. it takes the girl 3 minutes to draw a bucket full of water from the well. what is the power of the girl?