What is the tendency of two masses alone in the universe to drift together a result of?

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

Discuss how the hardness or softness of the landing surface is related to the time required to stop the egg

Awave with a frequency of 500 hz is traveling at a speed of 100 m/s. what is the wavelength?