4. going down the freeway you notice your tachometer reads 4,000 rpm. a) convert
this frequency into rps? b) use your answer from 'a' to find the period of rotation (how
long it takes your engine to spin just once)? answer in seconds.

In a given chemical reaction, the energy of the products is greater than the energy of the reactants. which statement is true for this reaction?

Ablock of mass 1.5 kg slides down an inclined plane that has an angle of 15. if the inclined plane has no friction and the block starts at a height of 3 m, how much kinetic energy does the block have when it reaches the bottom? acceleration due to gravity is g = 9.8 m/s2. a. 6.8 j b. 50.9 j c. 0 j d. 44.1 j

In a system, when potential energy decreases, then entropy also decreases. true false