For questions 11 and 12: A ladybug walks 10 cm forward then 5 cm backward in 20 seconds.



What is the average speed of the ladybug?





What is the average velocity of the ladybug?




A sports car accelerates from rest to 26.8 m/s (roughly 60 mi/h) in 5.1 seconds. What is the acceleration of the car?





One minute after takeoff, a rocket carrying the space shuttle into outer space reaches a speed of 447 m/s. What was the average acceleration of the rocket during that initial minute?




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Classify the following measurements as vector or scalar quantities:
2.35 m, up
4.2 s
6.8 cm2
7.3 km/s, 30° N of E