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Consider a person having mass M and holding two balls every of mass m is at rest over a frictionless surface. Now the person throws one ball towards right direction with velocity " v " w.r.t himself . After 1 second he throws another ball towards left direction with velocity " v " w.r.t himself .
1) The final velocity of Man = 0
2) Center of mass would not change.
3) The momentum of each ball after thrown will be equal.
Q. Jingdan turned a screwdriver into a magnet by rubbing it with a strong bar magnet to pick up a screw that has fallen into an inaccessible spot. How could he demagnetize his
Describe concept about vibrational modes of carbon dioxide molecule. Vibrational Modes of CO 2 molecule While excited, the CO 2 molecule vibrates as masses joined by a spr
Mechanical energy E of particle, system or object is explained as the sum of kinetic energy K and potential energy U, i.e. E = K + U. It is a scalar quantity having dimensions [ML
what is non conventional sources?
A string of holiday lights has 25 identical bulbs linked in series. Every bulb dissipates 1.00 W when the string is linked to a 125-V outlet. a. How much power must be supp
Question 1 Discuss the physical characteristics of an X-ray beam. Write a note on factors influencing the quality and intensity of the X-ray beam Question 2 Explain the const
1.A=the set of whole numbers less tan 4 ? 2.B=the set of prime numbers less than 19 ? 3.C=the set of first three days of week?
Uniform motion When a body falls by a fluid, the pull of gravity is soon balanced by the frictional forces set up, and it continues to move at a constant velocity. If this is t
EXPLANATION: Whenever an interaction occurs among two objects, each object exerts the similar force on the other, but in the opposite direction and for the similar length of ti
Figure shows an arrangement of a carriage system. A force P is applied on the carriage B and moving rightward at 3 m/s 2 constant acceleration. At the instant shown the velocit
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