Maria walks 40 meters along a hallway that heads due North, then turns and walks 30
meters along another hallway that heads due
East. What is the magnitude of the student's
resultant displacement?
A) 10m
B) 35m
C) 50m
D) 70m

The magnitude of the amount of energy released by burning a fuel source, measured in energy per unit mass, is called its fuel value. note that the fuel value is the negative of the isobaric specific heat of combustion for the fuel. if all the energy obtained from burning 1.23 pounds of butane with a fuel value of 10.85 kcal/g is used to heat 128.0 kg of water at an initial temperature of 18.3 °c, what is the final temperature? note that 1 lb = 453.6 g.

What effects result when there is an impact between earth and an asteroid? check all that apply. a.massive flooding. b.extinction of many life forms.c.major earthquakes change in average global temperature.d. giant dust cloud

Which form of cell division creates the sperm and egg, resulting in half of the chromosomes as the other cells?