The formula for the height of a fallinis shown below, where h is the height of the object in meters, t is the time in seconds, and k is the height, in meters, from which the object began its fall.

Question

The formula for the height of a fallinis shown below, where h is the height of the object in meters, t is the time in seconds, and k is the height, in meters, from which the object began its fall.
     
           h=-4.9f+k

If aq rock is droppped from a building that is 150 meters tall, what is the height of the rock 4 seconds after it was dropped?

F 71.6 meters 
G 78.4 meters 
H 130.4 meters  
j 145.1 meters

PsyDAG · Answer

h = -4.9t + k h = -4.9(4) + 150 Can you do the calculations?

Becker · Answer

130.4