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Ball A, with a mass of 0.20 kg, strikes ball B, with a mass of 0.30 kg.
The initial velocity of ball A is 0.95 m/s. Ball B is initially at rest.
What are the final speed and direction of ball A and B after the collision if they stick together?
the accelaration of a plane as it takes off would that be a vector or a scalar
Illustrates term total internal reflection in fiber optics? Total internal reflection in fiber optics: The field of fiber optics depends onto the total internal reflection o
On the basis of mutual interactions or behavior of several materials in an external magnetic field, the materials are dividing in three basic categories. (i) Diamagnetic materi
Doppler Effect: Wave Fronts Describing the wave fronts of a wave for a moving source. The Doppler effect is a phenomenon experiential whenever the source of waves is moving al
When two dissimilar sound rays of slightly different frequencies, traveling in a phase along the same direction, superimpose on one other, the intensity of the resultant sound at a
a ball is dropped from a bridge 122.5m high. after the ball has been falling for2 sec another is thrown straight downwards after it. the initial velocity of the ball is such that
Which phrase would be incorrect to use: (1)A molecular of a compound (2)A molecule of an element (3)An atom of an element (4)None of these Ans: (2)A molecule of a
After being launched, a rocket attains a speed of 122 m/s before the fuel in the motor is completely used. If you suppose that the acceleration of the rocket is constant at 32.2 m/
The nucleus of the element having atomic number 25 and atomic weight 55 will contain : (1 )25 protons and 30 neutrons (2) 25 neutrons and 30 protons (3) 55 protons (4)
With the help of a ray diagram, explain the formation of the final image of an object in a compound microscope. Derive a mathematical expression for its magnifying power.
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