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A 985-kg car travelling south at 29.0 m/s hits a truck travelling 18.0 m/s west, as shown in the figure below. After the collision, the vehicles stick together and travel with
Q. What are secondary cells? Give an example? i) They are rechargeable. ii) The chemical reactions which take place in secondary cells are reversible. iii) The active mat
Stern-Gerlach experiment (O. Stern, W. Gerlach; 1922): An experiment which demonstrates the features of spin (intrinsic angular momentum) as a different entity in spite of orb
APPLICATION TO BALLISTIC MISSILES: "An unpowered and unguided missile is known as ballistic missile". The path followed by ballistic missile is known as "ballistic trajectory"
Q. Find the electric potential at a distance 0.09 m from a charge of 4 X 10 -7 C. The electric potential V = ( 1/4πεo ) q /r = ( 9 X 10 9 X 4 X 10 -7 )/ 9 X 10 -2 = 4 X 10
Illustrate briefly the significance of entropy? Determine the work done when 2 mole of an ideal gas expands isothermally and reversible from 10 atm. To 2 atm. Pressure at 27 0 C
Draw a schematic diagram of a single optical fibre structure. Describe briefly how an optical fibre is fabricated. Explain in brief, the mechanism of propagation of light signal by
Voltage division: In a series circuit Ohm's law applies for each component. However, since the current is common to all components we have: V1 = IR1, V2 = IR2,
When is a system said to have attained equilibrium. Illustrate. The change in entropy of a system, in a procedure is positive. Would the process be a spontaneous one? Describe.
If a great point-mass is removed by a weightless, inextensible and perfectly flexible string from a rigid support, then this arrangement is known as a simple pendulum.
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