Please wait...
1800-212-7858 (Toll Free)
9:00am - 8:00pm IST all days

or

Thanks, You will receive a call shortly.
Customer Support

You are very important to us

For any content/service related issues please contact on this toll free number

022-62211530

Mon to Sat - 11 AM to 8 PM

a man drops a 10kg rock from the top of a ladder. what is its speed just before it hits the ground? what is ita kinetic energy when it reaches the ground? (take g=10m/s-2)

Asked by 30th December 2011, 12:00 AM
Answered by Expert
Answer:
KE when it reaches the ground= initial PE
                                            =mgh=100h  if you dont know the height then you cannt find out the KE.
apply:v2=u2+2gh =2gh=20 h
Answered by Expert 2nd January 2012, 11:56 AM
Rate this answer
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10

You have rated this answer /10

Your answer has been posted successfully!

Chat with us on WhatsApp