Lab: Motion Answers

MetersMeters per secondMeters per second squared

Cars travel faster on the lower track.Cars travel faster on the higher track.There is no difference in speed.

MetersMeters per secondMeters per second squared

shorterlongerequal

How many significant figures does this measurement have? [___]

slowersimilargreater

[___] km/hr

MetersMeters per secondMeters per second squared

0.56 m/s1.54 m/s3.50 m/s

slopeending pointlength

length of the trackheight of the trackwidth of the track

speed of the carheight of the trackdistance traveled

What is the fastest time trial for the first quarter checkpoint? [___] seconds

What is the slowest time trial for the first quarter checkpoint? [___] seconds

What is the range of times measured for this checkpoint? [___] seconds

In which digit is there the least amount of confidence? [___]

less distance thanthe same distance asfarther than

Which of the cars is speeding up? [___]

Which of the cars is slowing down? [___]

Which of the cars is maintaining a constant speed? [___]

You are leaving for a party at your cousin’s house in a city that is 150 km away. You will travel at an average rate of 50 km/hr. How long will it take you to arrive?

[___] hours