Alocal video store estimates its average customer's demand per year is q = 20 − 4p, and it knows the marginal cost of each rental is $1.00. how much should the store charge for an annual membership in order to extract the entire consumer surplus via an optimal two-part pricing strategy?

Aturntable a is built into a stage for use in a theatrical production. it is observed during a rehearsal that a trunk b starts to slide on the turntable 10 s after the turntable begins to rotate. knowing that the trunk undergoes a constant tangential acceleration of 0.31 m/s2, determine the coefficient of static friction between the trunk and the turntable.