In a movie, a car drives forward off a cliff, crashing into the ocean. Which describes its velocity while it is in the air correctly? Assume there is no air resistance.(1 point) Responses The horizontal and vertical velocities remain constant. The horizontal and vertical velocities remain constant. - incorrect The horizontal velocity changes, and the vertical velocity remains constant. The horizontal velocity changes, and the vertical velocity remains constant. - no response given The horizontal velocity remains constant, and the vertical velocity changes. The horizontal velocity remains constant, and the vertical velocity changes. - no response given The horizontal and vertical velocities both change.
1 answer
The correct description of the car's velocity while it is in the air, assuming no air resistance, is: The horizontal velocity remains constant, and the vertical velocity changes.
In projectile motion, the horizontal component of velocity remains constant because there are no horizontal forces acting on the object (in the absence of air resistance). However, the vertical component of velocity changes due to the acceleration caused by gravity (which acts downward).
