A rock is thrown up in the air at 30 ft/second. It has height in feet
given by H(t) = −16t
2 + 30t. When does the rock have a velocity equal 10
ft. per a second?
v(t) = 30-32t
so, when is
30-32t = 10 (going up)?
30-32t = -10 (coming down)?
given by H(t) = −16t
2 + 30t. When does the rock have a velocity equal 10
ft. per a second?
so, when is
30-32t = 10 (going up)?
30-32t = -10 (coming down)?