MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping
Menu
Grade: 12th pass
        
Drops of water fall  from the roof of a building 9m high at regular intervals of time the first drop reach the ground at the same instant fourth drop start its fall. What are the distance of the second and third drop from the roof? 
one year ago

Answers : (1)

Khimraj
3008 Points
							
Let the time interval between falling two drops from the roof be t seconds 
ATQ , 
a drop take 3t seconds from roof to reach the ground 
9 = (1/2)g(3t)² ⇒ t² ⇒ 0.2 
d(2nd) drop = 1/2(g)(2t)² =  4m
d(3rd) drop = 1/2(g)(t)² = 1m
distance = 4-1 =3m
Hope it clears..................
one year ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies


Course Features

  • 101 Video Lectures
  • Revision Notes
  • Previous Year Papers
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Test paper with Video Solution


Course Features

  • 110 Video Lectures
  • Revision Notes
  • Test paper with Video Solution
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Previous Year Exam Questions


Ask Experts

Have any Question? Ask Experts

Post Question

 
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!! Click Here for details