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An object is thrown upward at a speed of 128 feet per second by a machine from a height of 8 feet off the ground. The height `h` of the object after `t` seconds can be found using the equation `h = -16t^2+128 t+8`
When will the height be 197 feet?
When will the object reach the ground?
When will the height be 197 feet?
When will the object reach the ground?
Get help:
Box 1: Enter your answer as a list of values separated by commas: Example: -4, 3, 2
Enter each value as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Enter DNE for Does Not Exist, oo for Infinity
Enter each value accurate to 1 decimal places.
1.95, 6.05
Box 2: Select the best answer
seconds
Box 3: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Enter DNE for Does Not Exist, oo for Infinity
Enter your answer accurate to 1 decimal places.
8.06
Box 4: Select the best answer
seconds