Question:

A particle is projected up with an initial velocity of 80ft/sec. The ball will be at a height of 96ft from the ground after

Options :

  • (a) 2.0 and 3.0 sec
  • (b) Only at 3.0 sec
  • (c) Only at 2.0 sec
  • (d) After 1 and 2 sec

Answer :

(a) 2.0 and 3.0 sec

Answer Steps :

Step 1:

Step 2:

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