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A ski starts from rest and slides down a 20 degree incline 100meters long. (a) if the coefficient of friction is .090, what is the the ski's speed at the base of the incline? (b)if the snow is level at the foot of the incline and has the same coefficient of friction, how far will the ski travel along the level?
I have to use the conservation of energy method. I know thatU0 + K0= U + K. I don't know how to add friction and solve for velocity. please help me urgent
A board with a number of green, blue and red coloured switches is normally seen near the entrance of each house . What is the purpose of this board? What is the difference a
Question: A positively-charged particle is travelling southward in a downward-directed uniform magnetic field. The magnetic force is the merely force if any acting on the parti
1. Calculate the entropy change when 1 kmol of an ideal gas at 300 K and 10 bar expands to a pressure of 1 bar if the temperature stays constant. 2. What is the change in entrop
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EXAMPLES: (i) A book lying on the table remains at rest until it is listed or pushed by exerting a force. (ii)A rolling ball on the ground comes to rest after covering some
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applications of statically induced emf and dynamically induced emf
The number of unpaired electrons in the Fe2 + ion is: (1) 0 (2) 4 (3) 6 (4)3 Ans: 4
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