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A dartboard with a mass of 2.20 kg is suspended from the ceiling such that it is initially at rest.
A 0.030-kg dart is thrown at the dartboard with a velocity of 1.3 m/s.
After the dart hits the dartboard, the dart and the board initially move with a velocity of 0.025 m/s.
How much kinetic energy is lost in the system?
Distinguish among diamagnetic and ferromagnetic materials in respect of their (i) intensity of magnetisation, (ii) behaviour in a non-uniform magnetic field and (iii) susceptibilit
A body of mass 2 kg thrown vertically upwards with a velocity 40 m/s comes to instantaneous rest at a height 50 m. Is there any other force (other than gravitational force), if yes
Neutron possesses: (1)Positive charge (2)Negative charge (3)No charge (4)All are correct Ans: (3)No charge
Derive expression for total power consumed when three appliances of power p1 p2 nd p3 are connected in series.
Draw a picture of a moving source and the waves surrounding it according to what you observed in this experiment. How does the spacing of the wavefronts in front of the source comp
Geometrized units: A system of units in which certain fundamental constants (G, c, k, and h) are set to unity. It makes calculations in certain theories, such like general rel
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How to calculate n factor of disproportion reaction? Total number of electron change divided by no. of moles of reactant This is conventional method Total electron chan
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