It takes 40 j to push a large crate 4 m across a floor the force exerted on the crate i

Examine the nuclear reacti why is this classified as a nuclear reaction rather than a chemical reaction? it is not balanced. a new compound is formed. a change has occurred in a nucleus. a new element has been formed.

An object weigh 40n in air ,weigh 20n when submerged in water,and 30n when submerged in a liquid of unknown liquid density.what is the density of unknown of liquid?

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?