Neglecting the mass of the rope and pulley, and using the coefficients of kinetic friction indicated, determine the time needed for block AA to slide 0.5 mm on the plate when the system is released from rest. Express your answer to three significant figures and include the appropriate units. tt

Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true