Constant velocity motion Knowledge-Based Download PDF

Questions

1. 1.

   Which of the following statements is correct for an object undergoing constant velocity motion along a straight path?

   • A) The acceleration of the object is zero at all times.
   • B) The net displacement of the object is proportional to the square of elapsed time.
   • C) The velocity of the object changes magnitude while maintaining a constant direction.
   • D) The instantaneous velocity differs from the average velocity over any finite time interval.
2. 2.

   An object moves along a straight horizontal line with a constant velocity of $12\text{ m/s}$. If its position at time $t = 0\text{ s}$ is $x = -15\text{ m}$, what is its position at $t = 5\text{ s}$?

   • A) $-75\text{ m}$
   • B) $15\text{ m}$
   • C) $30\text{ m}$
   • D) $45\text{ m}$