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erastova [34]
3 years ago
10

A ball is dropped from a height of 10 meters. Each time it bounces, it reaches 50% of its previous height. The total vertical di

stance down the ball has traveled when it hits the the 5th time is how many meters
Mathematics
1 answer:
yan [13]3 years ago
6 0

Answer:

28.75 m.

Step-by-step explanation:

It is given that a  ball is dropped from a height of 10 meters. Each time it bounces, it reaches 50% of its previous height. So,

For first bounce the vertical distance a_1= 10\ m

For next bounce ball has to travel up and down by 50% of previous distance, i.e., 10 m.

For second bounce the vertical distance a_2=2\times (\dfrac{50}{100}\times 10)=2(5)=10\ m

Similarly,

For third bounce the vertical distance a_3=2\times (\dfrac{50}{100}\times 5)=2(2.5)=5\ m

For fourth bounce the vertical distance a_4=2\times (\dfrac{50}{100}\times 2.5)=2(1.25)=2.5\ m

For fifth bounce the vertical distance a_5=2\times (\dfrac{50}{100}\times 1.25)=2(0.625)=1.25\ m

The total vertical distance down the ball has traveled when it hits the the 5th time is

\text{Total distance}=a_1+a_2+a_3+a_4+a_5

\text{Total distance}=10+10+5+2.5+1.25  

\text{Total distance}=28.75\ m

Therefore, the total vertical distance  down the ball has traveled when it hits the the 5th time is 28.75 m.

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