Which statement best distinguishes velocity from acceleration in Galilean reference-frame transformations?

A car follows a circular curve while decreasing its speed. Which best describes its total acceleration?

A river current carries water eastward. A boat must arrive directly across the river from its starting point. How should the operator generally aim the boat relative to the water?

A freely falling object is moving downward. If upward is chosen as positive, which statement is correct?

Two vectors have the same magnitude but point in different directions. What can be concluded?

Completa la oración con el objeto indirecto correcto.    P1: ¿Por qué tu profesora no te explica los detalles?P2: Está bien, ____ va a explicar otro día.

Why is scientific notation especially useful when reporting measurements?

Suppose the acceleration changes from positive to negative at an instant while the velocity remains continuous. What feature may occur in the velocity function at that instant?

A ball is moving upward after being thrown vertically. Why does its speed decrease?

In ideal projectile motion near Earth’s surface, which horizontal-motion statement is correct?