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19 Mar 2020
Falling ball Using calculus, it can be shown that if a ball is thrown upward with an initial velocity of 16 ft./s from the top of a building 128 ft. high, then its height h above the ground t seconds later will be
During what time interval will the ball be at least 32 ft. above the ground?
Falling ball Using calculus, it can be shown that if a ball is thrown upward with an initial velocity of 16 ft./s from the top of a building 128 ft. high, then its height h above the ground t seconds later will be
During what time interval will the ball be at least 32 ft. above the ground?
Trinidad TremblayLv2
29 May 2020
above the ground. Then its height after 
seconds is given by 
, where 
is measured in feet. Use this information to solve the problem.
