A thimble 3.3 cm high is 17.0 cm from a concave mirror. the radius of the curvature of the mirror is 12.0 cm. How far from the mirror is the image and is it real ot virtual?

Suppose that 27 j of work is needed to stretch a spring from its natural length of 6 m to a length of 9 m. (a) how much work is needed to stretch the spring from 12 m to 14 m? j (b) how far beyond its natural length will a force of 78 n keep the spring stretched?

In the equation for the gravitational force between two objects, which quantity must be squared? m1 m2 g d

Which value is most likely to be the boiling point of the substance at this pressure?