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What is the difference between speed and velocity?
Noni walks 4 m/s south. Which of the following best describes Noniâ€™s travel?
A racecar rounds a curve on the track at a constant speed of 180 mph. Is the car accelerating?
A person walks 1 mile every day for exercise, leaving her front porch at 9:00 A.M. and returning to her front porch at 9:25 A.M. What is the total displacement of her daily walk?
Instantaneous speed is measured
A car traveled 88 km in 1 hour, 90 km in the next 2 hours, and then 76 km in 1 hour before reaching its destination. What was the carâ€™s average speed?
A horizontal line on a distance-time graph means the object is
Suppose you increase your walking speed from 1 m/s to 3 m/s in a period of 2 s. What is your acceleration?