Which best describes the motion of the object between 1
and 4 seconds?
o
o
the object has decreasing acceleration and increasing
velocity
the object has positive acceleration and eventually
stops.
the object has decreasing acceleration and decreasing
velocity.
the object has negative acceleration and eventually
stops.
o
o

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 is the best predictor of the radioactive nature of an isotope? o the proton-to-electron ratio the neutron-to-proton ratio o the neutron-to-electron ratio the electron-to-proton ratio

The earth is constantly spinning on its axis, like you might spin a basketball on your finger. it is this spinning of the earth that causes