A stone is thrown horizontally with an initial velocity of 20m from the top of a building 90m high. Find the horizontal range of the stone. Calculate also the velocity with which the stone strikes the ground. A. 84.8 m; 46.9m/s, 64.7° B. 45.0 m; 5.83m/s, 6.1° C. 30.0 m; 43.67m/s, 30° D. 23.5 m; 24.7m/s, 20° m

Astone is dropped with no initial velocity from the top of a cliff and hits the ground a time of 3.9 s later. what is the height of the cliff, in units of meters? you may assume that air resistance is negligible. give the answer as a positive number question 15 a figure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 200 o 20.9 12000 o 3.33

Which of the following is not a physical property of mattera. melting pointb.heat of combustionc. viscosityd. boiling point

Suppose you plot the distance traveled by an object at various times and you discover that the graph is not a straight line. what does this indicate about the object's acceleration?