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
        The minute hand of a wall clock is 14 cm long. In the time interval from 6 PM to 6 : 30 PM, the tip of the

minute hand has:
(A) average velocity = 0.56 m/hr
(B) average speed = 0.88 m/hr = 0.88 m/hr)
(C) average acceleration = 3.52 m/hr
D) travelled distance = 0.44 m
8 years ago

Answers : (1)

vikas askiitian expert
509 Points
							

average velocity = total displacement /total time

total displacement = 2L = 28cm =0.28m

total time = 30mins = 30/60 hr = 0.5hr

average velocity = 0.28/0.5 = 0.56km/hr                                ansA

 

average speed = total distance/total time

total distance = piL = 0.4396m

total time = 30mins = 0.5hr

average speed = 0.4396/0.5 = 0.88m/hr                               ansB

 

distance travelled = piR = 3.14*14 = 43.99cm=.44m              ansD

 

 

8 years ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies


Course Features

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


Course Features

  • 731 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