Question

Acceleration is
.. (1 point)
O An object's speed in a specific direction
• An object's direction's rate of change
O An object's speed when its motion is constant
O An object's velocity's rate of change

Answer 1

A motorcycle goes north at 40 miles per hour. A car goes south at 40 miles per hour on the same street. Which statement is true? (1 point)
O The vehicles have the same speed and velocity.
• The vehicles are going in opposite directions, so their speed is not the same.
• The vehicles have the same velocity, but not the same speed.
• The vehicles have the same speed, but different velocity.

Answer 2

An object's velocity's rate of change.

Answer 3

The correct answer is: The vehicles are going in opposite directions, so their speed is not the same.