A 1200-kg car rolling on a horizontal surface has speed when it strikes a horizontal coiled spring and is brought to rest in a distance of 2. 2 m. What is the spring stiffness constant of the spring?.

Aballet student who learns with the of his instructor is demonstrating learning.

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.

Object a has a length of 3 cm, a width of 2 cm, and a height of 4 cm. object b is dropped into a graduated cylinder. it displaces 19 ml of water. the volume of object a is: a: greater than the volume of object b b: less than the volume of object b c: equal to the volume of object b