a.
How many meters above the surface of Dright is the cheese when then
mice drop it?
5819 meters
b. Find the height at 1 second, 7 seconds, and 15 seconds.
5819-1112=5808meters
C.
When will the cheese hit the ground? (Solve to find this, do not guess & check.)
5819-11t² = 0
-5819
-5819
H² = √529
t-23 seconds
- 1142²=-5819
ㅔ
7=5280meters 15=3344 meters
2. Find the average speed between seconds 7
and 15.
5280-3344-1936/8-
242m/sec
3. Find the average speed during the first
second of falling.
5819-5808-11/1=
7m/sec
11m/sec
4. Find the average speed during the first half
second of falling.
5819-11-0.53-5516.25/0/5=
5819-58166.25/0.51
5. Find the average speed during the last
second of falling.
6. Find the average speed during the last half
second of falling.
7. Find the instantaneous speed at the 7th
second of the fall.
8. Find the instantaneous speed at the 15th
second of the fall.
9. Find the instantaneous speed when the
cheese hits the ground