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1. |
When an object is dropped, the number of feet N that it falls is given by the formula N=1/2gt2 where t is the time in seconds from the time it was dropped and g is 32.2. If it takes 5 seconds for the object to reach the ground, how many feet does it fall during the last 2 seconds? |
A. | 257.6 |
B. | 64.4 |
C. | 96.6 |
D. | 161.0 |
Answer» B. 64.4 | |