Use the scenario to answer the question. A student creates a diagram comparing the sizes of objects in the solar system. Which two objects are often similar in size? (1 point)
comets and planets,
asteroids and comets,
planets and meteors,
moons and meteors

The law of conservation of energy states that energy cannot be created or , energy can be from one substance to another. the first blank is ' destroyed ' and for the second blank is ' transferred '

A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.

What equation is used to calculate the weight of an object on a plant ?