ï»¿ A ball is dropped from Â a high-rise platform at t=0 starting from rest. After 6s another ball is thrown downwards from the same platform with a speed v. The two balls meet at t= 18s. What is the value of v? (take g= 10 ms-2) from Physics Motion in Straight Line Class 11 Manipur Board

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A ball is dropped from Â a high-rise platform at t=0 starting from rest. After 6s another ball is thrown downwards from the same platform with a speed v. The two balls meet at t= 18s. What is the value of v? (take g= 10 ms-2)

• 74 ms-2

• 55 ms-1

• 40 ms-1

• 60 ms-1

A.

74 ms-2

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