Relative motion can best be defined as
a. the motion of an object with a constant velocity.
b. the motion of one object as it appears to another object.
c. the change in position of an object divided by change in time.
d. the amount of motion that an object experiences over a given period of time.

An ideal gas is held in a container at constant volume. initially, its temperature is 5 degrees c and its pressure is 1.2 atm. what is its pressure when its temperature is 43 degrees c? answer in units of atm

Asolid round steel rod 6.25 mm in diameter and 375 mm long is rigidly bonded to the end of solid square brass rod 25 mm on a side and 300 mm long. the geometric axes of the bare are along the same line. an axial tensile force of 5.4 kn is applied at the extreme ends of the assembly. for steel e = 200 gpa and for brass e = 90 gpa. determine the total elongation for the assembly.

If the new moon happens on january 15th, what shape will it be on february 6th?