JEE Class main Answered
solve
Asked by adjacentcalliber10 | 18 May, 2019, 01:24: PM
Expert Answer
Figure shows the direction of movement of three spheres immediately after cutting the string that connecting A and B.
Due to Tension force and Electrostatic force Ball A and B moves with velocity vA and vB as shown in figure.
Ball C moves with speed vCy along the direction of y-axis.
After resolving velocity vectors and applying momentum conservation,
m × vAy + m × vBy + m × vCy = 0 ...................(1)
By symmetry, vAy = vBy = v , hence from eqn.(1) we get vCy = 2 |v| ....................(2)
Final kinetic energy of system = change in potential energy
........................(3)
using eqn.(2) and after simplification, we get ....................(4)
By substituting respective values in eqn.(4) , we get vCy = 2√2 m/s
Answered by Thiyagarajan K | 21 May, 2019, 01:37: PM
Application Videos
JEE main - Physics
Asked by arivaryakashyap | 23 Apr, 2024, 10:40: AM
ANSWERED BY EXPERT
JEE main - Physics
Asked by ratnadeep.dmr003 | 21 Apr, 2024, 11:06: PM
ANSWERED BY EXPERT
JEE main - Physics
Asked by ksahu8511 | 19 Apr, 2024, 11:55: AM
ANSWERED BY EXPERT
JEE main - Physics
Asked by mohammedimroz | 13 Apr, 2024, 09:48: PM
ANSWERED BY EXPERT
JEE main - Physics
Asked by medhamahesh007 | 02 Apr, 2024, 11:11: AM
ANSWERED BY EXPERT
JEE main - Physics
Asked by gundlasumathi93 | 31 Mar, 2024, 02:13: PM
ANSWERED BY EXPERT
JEE main - Physics
Asked by chhayasharma9494 | 31 Mar, 2024, 12:47: PM
ANSWERED BY EXPERT
JEE main - Physics
Asked by archithateja3 | 30 Mar, 2024, 10:23: PM
ANSWERED BY EXPERT
JEE main - Physics
Asked by Machinenineha | 27 Mar, 2024, 05:28: PM
ANSWERED BY EXPERT