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The angular position of a point on the rim of a rotating wheelies given by theta=4.0t -3.0t2 +t3, where theta is in radians and tis in seconds. What are the angular velocities at a) t=2.0sb) t=4.0s? c) what is the average angular acceleration for the time interval that begins at t=2.0s and ends at t=4.0s/ What are the instantaneous angular accelerations at d) the beginning and e) the end of this time interval?
Define, with the help of diagram, the principle and working of an a.c. Generator. Write the expression for the e.m.f. generated in the coil in terms of its speed of rotation
AVERAGE VELOCITY: The ratio of the total displacement to the total time taken by the body is known as average velocity and represented by V ?av.
Right-hand rule: A trick for right-handed coordinate systems to find out which way the cross product of two 3-vectors will be directed. There are few forms of this rule, and t
A ray of light is incident on one of the faces of a parallel sided glass slab at an angle of incidence 510 31' of thickness 0.12 m . Evaluate the lateral shift produced given refra
Force in Two and Three Dimensions - Pressure and Fluids Pressure is a force exerted over an area and is measured in Pascals (Pa). P (in Pa) = Force (in newtons) / area (
define definition priniciples?
Consider a bowling ball as well as a Ping Pong ball each moving along a straight line path at constant velocity. Which has the higher magnitude of momentum? Answer: One req
why the reflective index of cladding is lower then in core of a fiber optic?
It is described by de-Broglie a moving material molecule sometimes acts as a wave and sometimes as a particle. The wave associated with moving particle is known as matter w
Q. Define: Thomson effect. Thomson recommended that when a current flows through unequally heated conductors heat energy is absorbed or evolved throughout the body of the meta
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