It takes a pulse of light 35 microseconds to travel down a 5.0 km length of fiber optic cable. how fast does the light move through the cable?

What changes would result in a decrease in the gravitational force between two objects? check all that apply.

The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f

Astone is dropped from the upper observation deck of a tower, 250 m above the ground. (assume g = 9.8 m/s2.) (a) find the distance (in meters) of the stone above ground level at time t. h(t) = (b) how long does it take the stone to reach the ground? (round your answer to two decimal places.) s (c) with what velocity does it strike the ground? (round your answer to one decimal place.) m/s (d) if the stone is thrown downward with a speed of 2 m/s, how long does it take to reach the ground? (round your answer to two decimal places.) s