1. The specific heat of a particular metal allow is 0.26 calories per gram per degree Celsius. Calculate the amount of heat required (in calories) to raise the temperature of 4.2kg of this material by 18 degrees.
Report your answer to 2 decimal places
2. A water wave oscillates up and down once every 1.50 seconds. The distance between waves crests is 1.95 m. The speed of the wave is ___ m/s.
Report your answers to 2 decimal places