What are the parts of a pendelum? describe each one.

Your 249 ml cup of coffee is too hot to drink when served at 82 degree celsius. what is the mass of an ice cube taken from a -21 degree celsius freezer, that will cool your coffee to a pleasant 54 degree celsius. specific heat of the water is 4190 j/kg c, specific heat of ice is 2090 j/kg c, heat of fusion of ice is 3.33 x 10^5 j/kg

Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge

Describe the function of the endomembrane system? what organelles are involved?