(c) Fig. 2 shows the same pool and the same points A, B, S and T. The critical angle for the water is 50
T.
water
55°
39°
B
A
Fig. 2
(in) 1
A beam of light is directed upward from A to S. Describe what happens to the
beam at S.

What property of an object determines its inertia?

What happens when you slowly pulled the carboard?

Currents in dc transmission lines can be 100 a or higher. some people are concerned that the electromagnetic fields from such lines near their homes could pose health dangers. for a line that has current 150 a and a height of 8.0 m above the ground, what magnetic field does the line produce at ground level? express your answer in teslas and as a percentage of the earth’s magnetic field, which is 0.50 g. is this value cause for worry?