SOLUTION: The distance an object falls varies directly with the square of the time it spends falling. If a ball falls 78.4 meters after falling for 4 seconds, how far will it fall aft

SOLUTION: The distance an object falls varies directly with the square of the time it spends falling. If a ball falls 78.4 meters after falling for 4 seconds, how far will it fall aft

Algebra.Com

Question 1040419: The distance an object falls varies directly with the square of the time it spends falling. If a ball falls 78.4 meters after falling for 4 seconds, how far will it fall after 9 seconds?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
d=kt^2
78.4=k*16
k=78.4/16=4.9
d=4.9*9^2=4.9*81=396.9 meters

RELATED QUESTIONS
The distance an object falls varies directly with the square of the time it spends... (answered by Fombitz)

The distance a body falls from rest is directly proportional to the square of the time... (answered by ikleyn)

Neglecting air resistance, the distance an object falls from rest varies directly with... (answered by Boreal)

The distance that a freely falling body falls varies directly as the square of the time... (answered by Fombitz)

The distance that a free falling body falls varies directly with the square of the time... (answered by Mathtut)

The distance an object falls varies directly to the square of the time it falls. A ball... (answered by Theo)

The distance an object falls varies directly as the square of the number of seconds it... (answered by Boreal)

The distance a body falls varies directly as the square of the time that it falls. If it... (answered by mananth)

4. The distance a body falls from rest (neglecting air resistance) varies directly as the (answered by ikleyn)