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CPPS Exam 1 (ACTUAL EXAM ) Questions and Answers (Solved)
- Speed=
Answer: distance/time
- The two factors that determine velocity include
Answer: Speed direction/ distance time
- Acceleration =
Answer: 2 velocity- 1 velocity /time
- What do we do with two velocities when they are in the same direction?
Answer: +
- What do we do with two velocities when they are in opposite directions
Answer: -
- -Total distance/total time.
Answer: average speed
- -Speed at any one given moment.
Answer: instantaneous speed
- -The rate at which velocity changes (a change in speed or direction over time).
Answer: acceleration
- -The place or object that you compare another object to in order to deter- mine if
it is in motion.
Answer: reference point
- -The technical term for deceleration.
Answer: Negative acceleration
- What is the speed of a ball rolling 3m in 2s?
Answer: 1.5 m/s
- A truck driver traveled across the country in 11.3 hours. He traveled a distance
of 804 km. What was his average speed?
Answer: 71.1 1 / 2
- How much distance to go 54 m/s for 80 s?
Answer: 4320 m
- What was the acceleration of a car that went from 60 m/s to 72 m/s in 4 s?
Answer: 3 m/s 2
- Mrs. Mousadis was riding her skateboard. She was trucking along at about 5 m/s
when all of a sudden she hit some bad pavement and 1.5 seconds later she found herself going only 2 m/s. Calculate her acceleration.
Answer: -2 m/s 2
- What is the acceleration of a toy car going from 4.5 m/s to 2.4 m/s in 3 s?
Answer: -0.7 m/s 2
- Find the average speed of a car if it first traveled 32 km in 0.5 hr, then 128 km in
2.1 hr, and finally 303 km in 5 hrs.
Answer: 60.9 k/h
- When would a car travel at a constant velocity by also be accelerating?
Answer: - Turn
- What is the SI unit for mass?
Answer: kilogram (kg)
- What is the unit for force?
Answer: N (newtons)
- What is the unit for speed?
Answer: m/s (meters per second)
- What is the unit for acceleration?
Answer: m/s^2 (metres per second squared)
- What is the unit for velocity?
Answer: m/s (meters per second)
- What is the unit for weight?
Answer: N (newtons)
- Newton's 1st Law of Motion
- / 2
Answer: An object at rest remains at rest, and an object in motion remains in motion
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