Aconstant force f=5i−4j−5k is applied to an object that is moving along a straight line from the point (3,−4,−5) to the point (−1,−2,4). find the work done if the distance is measured in meters and the force in newtons. include units in your answer.

Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?

Avector of magnitude 2 cannot be added to a vector of magnitude 3 so that the magnitude of the resultant is a. zero b. 1 c. 3 d. 5 e. 7

Use 4 to 5 complete sentences, explain the concepts of beats and how beats are produces.