A spring on a horizontal surface can be stretched and held 0. 5 m from its equilibrium position with a force of 45n. How much work is done in stretching the spring 3 m from its equilibrium position?.

Consider the following problem: a box with an open top is to be constructed from a square piece of cardboard, 3 ft wide, by cutting out a square from each of the four corners and bending up the sides. find the largest volume that such a box can have.

Which is not a step in the rock cycle?

Astone dropped into a well is heard to strike the water after 8seconds. find the depth of the well if the velocity of sound is 350m/s