Speed and Velocity Answers

What did you include in your question? Check all that apply.

Write a hypothesis about the effect of the racetrack’s height on the speed of the car using the format of "if…then…because….” Be sure to answer the lesson question "How can motion be described?”

What did you include in your hypothesis? Check all that apply.

Obtain a copy of the Student Guide for this lab. Your teacher may provide a copy, or you can click the link to access a copy. Be sure to read the entire Student Guide for this lab. Did you read the Student Guide carefully?

The independent variable, or the one that is intentionally manipulated, is .

The dependent variable, or the one the response is measured in, is .

Using the black numbers on the stopwatch to answer the questions. | What is the most accurate reading of seconds as indicated by the long second hand? | Look at the divisions between 2 and 4. What level of precision does this stopwatch have based on the divisions marked on its face?

Look at the divisions between 2 and 4. What level of precision does this stopwatch have based on the divisions marked on its face?

What is the elapsed time for Trial B? s

What is the average speed for Trial B? m/s

Which statements are part of the safety protocol for this lab experiment? Check all that apply.Always wear safety goggles when performing an experiment.Use caution when constructing the track. Pad cars with foam prior to each trial.Ensure that the track is clear before releasing cars.Bolt the ramp to both the floor and desk for support.Report all accidents to the teacher.