Answer:
90 km/h
Explanation:
we just divide the distance by the time to get the speed.
Calorimeters can be improved by impeding the loss of heat to the surroundings. A few things can improve this:
better insulation
less surface area to the surroundings
accurate heating
better stirring/mixing mechanism
Answer:
D) Z,X,Y,W
Explanation:
TOOK THE QUIZ MATE, TOOK THE MF QUIZ