Question

Two balls are thrown vertically upwards with velocities 90km/h and 108km/h. What is the maximum hieght reached by both and what is the difference in their hieghts?
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Answer 1

Explanation:

Correct option is

A

15m above the ground

h=20t−

2

1

×10×t

2

40−h=20t+

2

1

×10t

2

⇒40−20t+5t

2

=20t+5t

2

⇒t=1s

⇒h=20×1−5(1)

2

=20−5=15m

Therefore 15m above from the ground

Answer 2

Answer:

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