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an object of mass 5.0 Kilograms initially travelling at 12.0m/s horizontally enters a region where there is a coefficient of kinetic friction of 0.27.
a) use the concepts of work and energy to determine the speed of the mass after it has traveled 3 meters.
b) the mass now continues its motion by sliding up a 35 degree incline. How far up the incline will it travel before coming to rest? the coefficient of friction between the mass and the inclines 0.20
A 10 kg block slides down a smooth inclined surface as shown in Figure 1. Determine the terminal velocity of the block if the 0.1 mm gap between the block and the surface contains
Eddy current loss is proportional to the (A) Frequency. (B) Square of the frequency. (C) Cube of the frequency. (D) Square-root of the frequency.
A 1.25-kg box is being pulled across a level surface where μk is 0.80. If the string is suddenly cut, causing the applied force to immediately go to 0.0 N, what is the rate of
Scientific principle behind a laser: The basic scientific principle behind a laser was first put forward by Dr. Charles H. Towns in 1954 which later led to the development
A record player's needle is 6.5 cm from the center of a 45-rpm record. Calculate velocity of the needle?
The idea that everything is made up of very small particles has been developed over many years supported by several experiments: (i) Brownian motion :
Huygens' construction; Huygens' principle (C. Huygens): The mechanical propagation of any wave (exclusively, of light) is equal to supposing that each point on the wavefront b
how to derive the formullar n=[(sin(A+D)/2)/(SIN (A/2))
Hertz; Hz (after H. Hertz, 1857-1894) The derived SI unit of frequency, explained as a frequency of 1 cycle per s; therefore it has units of s -1 .
Regard as two charged particles. At a given separation every particle exerts a force of 12 N on the other. What force does every one exert on the other after someone moves the part
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