A pendulum has a length of 7.5 meters, a mass of 0.7 kg, and is released at an angle of 28 degrees from equilibrium (straight down). What is the period of this pendulum?

4. a 75.0 g piece of ag metal is heated to and dropped into 50.0 g of water at the final temperature of the mixture is what is the specific heat capacity of silver? 5. a 465 g chunk of iron is removed from petrucci, ralph h.. general chemistry (p. 290). pearson education. kindle edition.