Which of the following statements is true about flexible cables? the tension in a cable is always either tangent to the cable or along it o a cable offers no resistance to bending the sag is the difference in elevation between the lowest point of the cable and a support the span is the horizontal distance between the supports of the cable all of above

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