.Question 9 A tourist in a sightseeing balloon drops his cell phone from a height of 250 feet above the ground (see picture). Find the time t (in seconds) for the object to reach the ground. The height (above ground) of the object is modeled by Height = -16t + 250 . 250 feet How many seconds will it take the object to hit the ground? t = seconds (round to 5 decimal places.) If you are curious about the terminal velocity of an object go to http://en. wikipedia.org/wiki/Terminal_velocity ) Question Help: Message instructor Submit Question Jump to Answer MacBook Air 888 DII esc F1 E3 F4 F7 F 8 @ A & PK 2 3 4 5 6 8 Q W E R T Y U tab A S D F G H C caps lockQuestion 21 A tourist in a sightseeing balloon drops his cell phone from a height of 1010 feet above the ground (see picture). Find the time t (in seconds) for the object to reach the ground. The height (above ground) of the object is modeled by Height = -16t2 + 1010. 1010 feet How many seconds will it take the object to hit the ground? t = seconds (round to 5 decimal places.) (If you are curious about the terminal velocity of an object go to http://en. wikipedia.org/wiki/Terminal_velocity ) Submit Question LO CO- 20 888 esc F1 F3 F4 F5 F6 F7 @ # % & 2 3 4 5 O Q W E R T Y UQuestion 11 When exchanging US Dollars (USD) for Philippine Peso (PHP) the number of Philippine Pesos received is directly proportional to the number of US Dollars to be exchanged. If 750 USD can be converted into 44,559.00 PHP. Find the constant of proportionality k. K = (If needed, round answer to 3 decimal places.) Using the k from above find the amount of PHP given that you have 1, 100 USD to convert. you will receive PHP (If needed, round answer to 2 decimal places.) Submit Question esc 20 F1 F2 F3 F4 F5 F6 F7 . - # % A & 3 4 5 6 Q W E R T Y