Pushing on the pump of a bottle of hand washing solution compresses a small spring which obeys hooke's law. if the potential energy of the spring is 0.0030 j when the spring is compressed 0.47 cm, determine the following.
(a) force constant of the spring

Density of salty water as compared to the density of pure water is(a) is less(b) is always equal(c) is always more(d) may be less or more

Which describes an object in projectile motion? check all that apply.a.gravity acts to pull the object downb.the object moves in a straight path.c.the forward velocity of the object is 0 m/s.d.the object’s inertia carries it forward.e.the path of the object is curved.

Another word for electromagnetic energy is a. heat b. force c. matter d. radiation