If it takes 10 seconds for the speed of a block, which is sliding on a rough horizontal table, to drop from 4 m/s to zero, what is the value of μk? (a) 0.01 (b) 0.04 (c) 0.10 (d) 0.40 (e) 0.60

Which statement best explains why an object weight less on mercury than it does on earth

According to social exchange theory, altruistic behaviors benefit the individual who performs them. t/f

The magnitude of the amount of energy released by burning a fuel source, measured in energy per unit mass, is called its fuel value. note that the fuel value is the negative of the isobaric specific heat of combustion for the fuel. if all the energy obtained from burning 1.23 pounds of butane with a fuel value of 10.85 kcal/g is used to heat 128.0 kg of water at an initial temperature of 18.3 °c, what is the final temperature? note that 1 lb = 453.6 g.