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A 3.00kg block starts from rest at the top of a 30.0 degree incline and slides a distance of 2.00m down the incline in 1.50s. Find (a)the magnitude of the acceleration of the block, (b) the coefficient of kinetic friction between block and plane, (c) the friction force acting on the block and (d) the speed of the block after it has slid 2.00m.
question1imagine drawing two equipotentials in plane of the figure one passing through point a and one passing through
The platter of a computer hard drive disk rotates at 5400rpm.
Two forces, (F1_vec) and (F2_vec), act at a point. (F1_vec) has a magnitude of 8.40N and is directed at an angle of 57.0 deg above the negative x axis in the second quadrant. What is the magnitude of the resultant force
A 25 kg child at a playground runs with an initial speed of 2.5 m/s along a path tanget to the rim of a merry-go-round with a radius of 2.0 m and jumps on. Find the angular velocity of the child and merry-go-round
Two identical spools are held at the same heights above the floor. The thread from the spool A is tied to an overhead support while spool B is not connected to the support. which spool will hit the floor first
Given series of equipotentials Allow a charge to move through three displacements s ,s1,s2 . Calculate the electric field component along each displacement
Calculate the energies and wavelengths of the 3d to 2p transitions, taking into account the fine structure of both levels
here is a point on the x-axis between the two charges where the electric field is zero. Find out the location of the point where the electric field is zero.
In a test laboratory, an electric engine is used to accelerate a wheel from rest. what is the average power output of the engine
A uniform electric field points midway between the positive x and y axies. Its strength is 100Volts/m. A -50nC charge is placed at the position ( 2m, 3m ) and fixed in place. What are the components of the total electric field at the location (..
A particle is located at the vector position rarrowbold = (9.00i hat bold + 10.00j hat bold) m and a force exerted on it is given by Farrowbold = (8.00i hat bold + 7.00j hat bold) N
in your opinion is the earth warming? to what extent do you believe this warming is a result of human activity?your
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