Acar battery has a rating of 270 ampere-hours. this rating is one indication of the total charge that the battery can provide to a circuit before failing. (a) what is the total charge (in coulombs) that this battery can provide? (b) determine the maximum current that the battery can provide for 42 minutes.

While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.