Physics, 07.11.2019 20:31 Emptypockets451
Your moving company is to load a crate of books on a truck with the of some planks that slope upward at the mass of the crate is 100 kg, and the coefficient of sliding friction between it and the planks is 0.500. you and your employees push horizontally with a combined net force once the crate has started to move, how large must f be in order to keep the crate moving at constant speed?
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Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control? a) volumes of the solutions b) appearance of the solutions c) temperatures of the solutions d) concentrations of the solutions
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