contestada

An object traveling in a straight line accelerates. What will definitely happen due to the acceleration?
The distance traveled in a certain time will increase.
The displacement covered in a certain time will decrease.
The speed of the object will stay constant.
The velocity of the object will change.

Respuesta :

AL2006

"Acceleration" means any change in the speed or direction of motion ... speeding up, slowing down, or turning.  So . . .

-- The distance traveled in a certain time may increase or decrease.

-- The displacement covered in a certain time may increase or decrease.

-- The speed of the object may increase or decrease.

-- The velocity of the object (speed/direction) will change.

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