Annie has 100 mL of honey. The honey has a mass of 145 g. What is the density of the honey?

Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle

Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?

(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) imagine adding electrons to the pin until the negative charge has the very large value 1.00 mc. how many electrons are added for every 109 electrons already present