4. A 620.-kg moose stands in the middle of the railroad tracks, frozen by the lights of an oncoming 10,000.-kg
locomotive that is traveling at 10.0 m/s. The engineer sees the moose but is unable to stop the train in time and
the moose rides down the track sitting on the cowcatcher. What is the new combined velocity of the locomotive
and the moose?

An experiment is designed to test the relationship between the initial height of a basketball before it is dropped to the height of its rebound bounce. the height of the rebound bounce is measured using a scale positioned behind the ball. in the above experiment, which condition would not be controlled? a). the starting height of the ballb). the surface the ball bounces on c). the type of ball d). the method to measure the rebound height of the ball

Porque crees que el agua no podia subir mas de 10 m de altura con ese tipo de bomba

An object moves from the position +34m to the position -15m in 15 seconds. what is it's total displacement? what is it's average velocity?