Define the term velocity.
Define the term acceleration.
Use Fig. 3.1 to give a qualitative description of the car’s velocity over the first six seconds of the motion shown. Support your answer with reasons.
Calculate the average velocity for the interval $t = 0$ to $t = 1.5\,\text{s}$.
Show that the average acceleration from $t = 1.5\,\text{s}$ to $t = 4.0\,\text{s}$ is $-7.2\,\text{m s}^{-2}$.
Calculate the average force acting on the car from $t = 1.5\,\text{s}$ to $t = 4.0\,\text{s}$.
Use Fig. 3.1 to give a qualitative description of the car’s velocity over the first six seconds of the motion shown. Support your answer with reasons.
Calculate the average velocity for the interval $t = 0$ to $t = 1.5\,\text{s}$.
Show that the average acceleration from $t = 1.5\,\text{s}$ to $t = 4.0\,\text{s}$ is $-7.2\,\text{m s}^{-2}$.
Calculate the average force acting on the car from $t = 1.5\,\text{s}$ to $t = 4.0\,\text{s}$.