Q1. A 18.0 kg loudspeaker is suspended 2.40m below the ceiling by two 4.10m long cables that angle outward at equal angles. What is the tension of each of the cables?
Q2. An experiment measures the speed of a 250 kilogram motorcycle every 3 seconds. The motorcycle moves in a straight line. What is the net force performing on the motorcycle?
Q3. A ball of mass 566g starts at rest and slides down a frictionless track. It leaves the track horizontally, striking the ground. a) At what height above the ground does ball start to move? b) What is the speed of ball when it leaves the track? c) What is the speed of ball when it hits the ground?