MY CART (5)

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

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: R

There are no items in this cart.
Continue Shopping
Menu
Vishrant Vasavada Grade: 11
        The velocity of particle is zero at t=o. a)acc. at t = 0 muct be zer. b)acc. at t = 0 may be zero. c) if acc. is zero from t = o to t = 10 s, the speed is also zero in this interval.. d) if speed is zero from t= 0 to t = 10s, the acc.is zero in this interval........Justify your ANSWERS.
7 years ago

Answers : (1)

AskIITianExpert Srijan.iitd
8 Points
										

the answers are b c d


 


a is incorrect because an accelerated particle may have zero velocity at some point of time like a stone thrown up have zero velocity at highest point despite being constantly accelerated.


b is correct because it s possible that a particle dont experience any force and stay at rest.


c is correct because without any acceleration speed of any particle canot change.


d is correct because there is no change in speed or velocity so there was no acc.

7 years ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies
  • Complete JEE Main/Advanced Course and Test Series
  • OFFERED PRICE: R 15,000
  • View Details
Get extra R 13,000 off
USE CODE: JEE1
  • Complete JEE Main/Advanced Course and Test Series
  • OFFERED PRICE: R 15,000
  • View Details
Get extra R 13,000 off
USE CODE: JEE1

Ask Experts

Have any Question? Ask Experts

Post Question

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