The 15-kg block A slides on the surface for which mk = 0.3. The block has a velocity v = 10 m>s when it is s = 4 m from the 10-kg block B. If the unstretched spring has a stiffness k = 1000 N>m, determine the maximum compression of the spring due to the collision. Take e = 0.6.

Which of the following best explains the purpose of protectionist trade policies such as tariffs and subsidies? a. they make sure that governments have enough money to pay for fiscal policies. b. they give foreign competitors access to new markets around the world. c. they allow producers to sell their products more cheaply than foreign competitors. d. they enable producers to purchase productive resources from everywhere in the world.