A block of mass m = 2.50 kg is lowered down a 37° rough incline plane a distance of 4.50 m from point A to point B. A horizontal force F = 10.0 N is applied to the block as shown in the figure below. The kinetic energy of the block is KA = 15.0 J at the point A and KB = 21.0 J at the point B. B (a) Find the change in the gravitational potential energy of the block. AUG = (No Response) -66.35 J (b) Find the work done on the block by the applied force F. WE = (No Response) -35.94 J (c) Find the work done on the block by the friction force. WR = (No Response) -24.41 J

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Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.