Quiz 1 of 0
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SPH3U: Lesson 4 Quiz
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Acceleration Problems
Instructions:
Complete all of the problems below. Write down the information given in each problem with the appropriate units, state what you are required to find, write down the equations you will need to solve the problem, and show your complete solution.
When you are finished, submit your work for evaluation.
- A racecar accelerates at 5.0 m/s2. If its initial velocity is 200 km/h, how far has it travelled after 8.0 s?
- A car that starts from rest can travel a distance of 50 m in a time of 6.0 s.
- What is the final velocity of the car?
- What is the acceleration of the car?
- A cyclist is travelling at 5.6 m/s when she starts to accelerate at 0.60 m/s2 for a time interval of 4.0 s.
- How far did she travel during this time interval?
- What velocity did she attain?
- A truck is travelling at 22 m/s when the driver notices a speed limit sign for the town ahead. He slows down to a speed of 14 m/s. He travels a distance of 125 m while he is slowing down.
- How long did it take the truck driver to change his speed?
- Calculate the acceleration of the truck.
- An arrow is accelerated for a distance of 75 cm [fwd] while it is on the bow. If the arrow leaves the bow at a velocity of 75 m/s [fwd], what is the average acceleration while on the bow?
- In a test run, a rocket-powered car is driving down a test track at a constant speed when the rockets are fired. It then accelerates at 4 m/s2 for 8.0 s covering a distance of 224 m. At what speed was the car travelling when the rockets were fired?
Rubric
Acceleration Problems
| Categories | Level 1 (50 – 59%) | Level 2 (60 – 69%) | Level 3 (70 – 79%) | Level 4 (80 – 100%) |
|---|---|---|---|---|
| Knowledge and Understanding use a velocity–time graph for constant acceleration to derive the equation for average velocity and the equations for displacement and solve simple problems in one dimension using these equations. KI2.03. | Uses the equation for average velocity and the equations for displacement to solve simple problems in one dimension with limited understanding. | Uses the equation for average velocity and the equations for displacement to solve simple problems in one dimension with some understanding. | Uses the equation for average velocity and the equations for displacement to solve simple problems in one dimension with considerable understanding. | Uses the equation for average velocity and the equations for displacement to solve simple problems in one dimension with thorough understanding. |
| Thinking and Investigation: analyse and interpret position-time, velocity- time, and acceleration-time graphs of motion in one dimension. KI2.02 | Analyses and interprets position-time, velocity- time, and acceleration-time graphs of motion in one dimension with limited success. | Analyses and interprets position-time, velocity- time, and acceleration-time graphs of motion in one dimension with some success. | Analyses and interprets position-time, velocity- time, and acceleration-time graphs of motion in one dimension with considerable success. | Analyses and interprets position-time, velocity- time, and acceleration-time graphs of motion in one dimension with great success. |
| Communication: use appropriate terminology related to kinematics, including, but not limited to: time, distance, position, displacement, speed, velocity, and acceleration. KI2.01. | Uses appropriate terminology related to kinematics, including, but not limited to: time, displacement, velocity, and acceleration with limited clarity. | Uses appropriate terminology related to kinematics, including, but not limited to: time, displacement, velocity, and acceleration with some clarity. | Uses appropriate terminology related to kinematics, including, but not limited to: time, displacement, velocity, and acceleration with considerable clarity. | Uses appropriate terminology related to kinematics, including, but not limited to: time, displacement, velocity, and acceleration with a high degree of clarity. |
| Application: solve problems involving uniform and non-uniform linear motion in one and two dimensions, using graphical analysis and algebraic equations. KI2.07. | Solves problems involving uniform and non-uniform linear motion in one dimension using algebraic equations, with limited skill. | Solves problems involving uniform and non-uniform linear motion in one dimension using algebraic equations, with some skill. | Solves problems involving uniform and non-uniform linear motion in one dimension using algebraic equations, with considerable skill. | Solves problems involving uniform and non-uniform linear motion in one dimension using algebraic equations, with a high degree of skill. |
Note: A student whose achievement is below Level 1 (50%) has not met the expectations for this assignment or activity.