Which description is an example of projectile motion? * a jet lifting off a runway
a piece of fruit falling off a tree
a roller coaster going down a steep track
a baseball that has just been thrown

Curious carl calculated the density of a cube to be 4.50 g/cm3. what is the density of the cube in g/l?

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.

Most of the volume of an atom is occupied by the