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Why is the Kinetic energy of the system minimum in the frame of the center of mass for any number of particlessolution) The kinetic energy of any entity depends on the reference frame in which it is measured. Though the total energy of an isolated system, i.e. one which energy can neither enter nor leave, does not change in whatever reference frame it is calculated. Therefore, the chemical energy converted to kinetic energy by a rocket engine is divided differently among the rocket ship and its exhaust stream depending upon the chosen reference frame. This is known as the Oberth effect. But the total energy of the system, including kinetic energy, fuel chemical energy, heat, etc., is conserved over time, regardless of the choice of reference frame. Different observers moving with dissimilar reference frames disagree on the value of this conserved energy.The kinetic energy of such systems depends on the choice of reference frame: the reference frame that gives the minimum value of that energy is the center of momentum frame, i.e. the reference frame in which the total momentum of the system is zero. This minimum kinetic energy contributes to the invariant mass of the system as a whole.
ELECTRICAL MACHINES: Efforts are being made at present to develop electrical machines and transformers utilising super conductivity calculators. It shows that if we would use co
What is damped and undamped eletromagnetic waves Ans) A damped wave is a wave whose amplitude of oscillation decreases with time, eventually going to zero.
(a) Show that the total power in a 3-phase, 3-wire system using the two-wattmeter process of measurement is given by the sum of the wattmeter readings. Illustrate a connection diag
Derive expression for total power consumed when three appliances of power p1 p2 nd p3 are connected in series.
For the circuit shown in Figure, find, using the superposition theorem, (a) The current flowing in and the p.d. across the resistor, (b) The current in the 8V battery and
I need help with a physics question
Cosmological constant; Lambda The constant introduced towards the Einstein field equation, planned to admit static cosmological solutions. During current philosophical view wa
explain the process of power generation and transmission?.
Diesel and Flat Car The animation below portrays the inelastic collision among a extremely massive diesel and a less massive flatcar. Previous to the collision, the diesel is i
What are end-terminations? Again, we get ourselves in an area where many confusion and controversy are the order of the day. Several American institutions have tried to set sta
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