Question text
1 In an experiment, a ball is rolled down a curved track that is about half a metre long. 0.5 m Which measuring device is used to measure the length accurately? A metre rule B micrometer C stop-watch D tape measure
1 In an experiment, a ball is rolled down a curved track that is about half a metre long.
0.5 m
Which measuring device is used to measure the length accurately?
A metre rule
B micrometer
C stop-watch
D tape measure
Select your answer: