If two point charges are separated by 1.5 cm and have charge values of 2.0 C and 4.0 C, respectively, what is the value of the mutual force between them? 32000 N
3.6 x10–8 N
8.0 x10–12
320 N
3.1 x10–3 N

What is magnetic flux? explain faraday's law of induction.

One day, after pulling down your window shade, you notice that sunlight is passing through a pinhole in the shade and making a small patch of light on the far wall. you see that the patch of light seems to be a circular diffraction pattern. it appears that the central maximum is about 1 cm across and you estimate that the distance from the window shade to the wall is about 3 m. what is (a) the average wavelength of sunlight? (b) the diameter of the pinhole?

If a stone with an original velocity of 0 is falling from a ledgeand takes 8 seconds to hoybthe ground whays the final velocity of the stone