Lynn is walking up a hill with a horizontal distance of 20m and a vertical distance of 12m. What is her displacement at the top? *
16.9m
23.3m
26.4m
34.5m

World class speed skaters can skate a 3,000-m course in about 4 minutes.what is their average speed for this course? a. 12.5 m/sb. 1.33 m/sc. 1.25 m/sd. 13.3 m/s

Amira pulls a 3 pound wagon 4 feet. how much work has she done?

The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space.b. we'll know it immediately because it will be brighter than the full moon in the sky.c. we won't know about it until 600 years from now.d. none of the above.