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a ball is thrown vertically upwards with a velocity of 20m/s frm the top of a tower of height 25m frm the ground.How long doesit remain in air?

Asked by Amitha N 30th January 2011, 12:00 AM
Answered by Expert
Answer:
Dear student,
 
 
Time of flight = 2u/g = 40/10 = 4 sec.
 
+
 
time the ball takes to coer 25m = 2.2 sec
Total time = 6.2 sec.
 
 
 
Hope this helps.
Thanking you
Team
Topperelarning.com
Answered by Expert 31st January 2011, 2:54 PM
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