PHYSICS QUIZ ON SPEED AND VELOCITY, DATE :09/25/2020 1.How much time is required for a cyclist to travel a distance of 230 m at an average speed of 10 m/s? a) 12 s b) 16 s c) 46 s. d) 23 s e) 4.8 s 2. If Graham walks 4.2 m to the right over 2.1 s and then 5.0 m back to the left over the next 4.1s, what is his average velocity over the whole process? a. 2.1 m/s b. 4.2 m/s. C. 9.2 m/s d. -0.13 m/s e. 26 m/s 3. A man runs east at 8.9 m/s for 12 s, stops for 4.5 s, then runs back (west) at 1.9 m/s for 4.9s. What is the man's average velocity? a) 4.6 m/s east b) 5.4 m/s east c) 5.8 m/s west d) 6.9 m/s west e) 4.3 m/s east

PHYSICS QUIZ ON SPEED AND VELOCITY, DATE :09/25/2020 1.How much time is required for a cyclist to travel a distance of 230 m at an average speed of 10 m/s? a) 12 s b) 16 s c) 46 s. d) 23 s e) 4.8 s 2. If Graham walks 4.2 m to the right over 2.1 s and then 5.0 m back to the left over the next 4.1s, what is his average velocity over the whole process? a. 2.1 m/s b. 4.2 m/s. C. 9.2 m/s d. -0.13 m/s e. 26 m/s 3. A man runs east at 8.9 m/s for 12 s, stops for 4.5 s, then runs back (west) at 1.9 m/s for 4.9s. What is the man's average velocity? a) 4.6 m/s east b) 5.4 m/s east c) 5.8 m/s west d) 6.9 m/s west e) 4.3 m/s east