A 30kg boxed is pushed with a force of 20N. What is the boxes acceleration. Please show work

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

Which one of the following research methods can show cause and effect

Select all that applywhat are some basic resources a family is expected to provide for children? educationclothesspending