2. What is average acceleration? What is instantaneous acceleration?

3. Why is acceleration often assumed constant? Does it have to be? What advantage does it give?

4. What subscripts for initial condition are often used?

5. A cheetah can accelerate from rest to a speed of 30.0 m/s in 7.00 s. What is its acceleration?

6. A bullet in a gun is accelerated from the firing chamber to the end of the barrel at an average rate of 6.2010⁵ m/s²for 8.1010⁴ s . What is its muzzle velocity (that is, its final velocity)?

7. A fireworks shell is accelerated from rest to a velocity of 65.0 m/s over a distance of 0.250 m. (a) How long did the acceleration last? (b) Calculate the acceleration.

8. Deceleration means what? Negative acceleration means what?

9-10. Calculate the displacement and velocity at times of (a) 0.500, (b) 1.00, (c) 1.50, and (d) 2.00 s for a ball thrown straight up with an initial velocity of 15.0

m/s. Take the point of release to be y₀ = 0 .

11. Determine your reaction time by having a student drop a ruler between two fingers, and you catch it. Using the constant acceleration due to gravity and the distance it travelled which is measurable then the time is something that can be calculated.

12. If you go down the on ramp onto an interstate starting from a velocity of 0, and end up at 70 mph in 10 seconds, what is your acceleration (in ft per second squared)? If 1 G = 32 fps², how many Gs is that?

13. Proceeding down the interstate, at 70 mph you, swerve to miss a slow driver, and hit a guardrail. Your car and your body comes to a complete stop in 15 feet, what is the deceleration in fps² and how many Gs is that?

14. Given two points (2 sec, 30 ft) and (15 sec, 100 feet) What is the equation of the straight line connecting them? What does the slope of the line represent?

15. Given a final velocity of 25 m/s (mps) and an initial velocity of 10 mps 30 seconds ago, what is the acceleration?