0

Guest

Courses New

two blocks A and B of equal masses of 1 kg are moving in opposite direction with constant speed of 2m/s and 1m/s respectively.then the minimum kinetic energy in joules,of the two block system that can be noted by an observer is a) 0 b) 5/2 c) 9/4 d) 9/2 e) none of these

two blocks A and B of equal masses of 1 kg are moving in opposite direction with constant speed of 2m/s and 1m/s respectively.then the minimum kinetic energy in joules,of the two block system that can be noted by an observer is
a) 0
b) 5/2
c) 9/4
d) 9/2
e) none of these

Grade:11

1 Answers

Vikas TU
14149 Points
7 years ago
Since kinetic energy is the sacalar direcn.s doesn’t matters.
Hencce total kinetic energy for the system is=>
0.5*1*4 + 0.5*1*1
=> 2 + ½
=> 5/2 Joule.

Think You Can Provide A Better Answer ?

Other Related Questions on Mechanics

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More