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Physics | Module 4 | Lesson 3 and
Physics 4.03 Speed and Velocity
Exams Latest Version.
Which of the following is distance divided by the change in time? -
Correct Ans: ✅ speed
Megan drives her car 2.0 km to the gas station, 4.0 km to the shopping mall to drop her mother off, and 4.5 km back home. The trip takes 20.0 min.
What is Megan's average speed? - Correct Ans: ✅ 8.75 m/s
Which value indicates a dependence on the path an object travels? -
Correct Ans: ✅ 5 m/s
Under what condition is the average velocity equal to the
instantaneous velocity? - Correct Ans: ✅ constant velocity
Cheryl runs a race on a 400.0 m circular track. She starts running east of the starting line and then circles the track and falls, stopping 1. m west of the starting line. Her time is 80.0 s.
What was her average velocity? - Correct Ans: ✅ -1.25×10^−2 m/s
An airplane travels directly from Washington, D.C., to Atlanta, Georgia, a distance of 850 km at a velocity of 425 km/h southwest.
How long does the trip take in hours? - Correct Ans: ✅ 2.0 h
You drive your car 2 km to the gas station, 4 km to the shopping mall to let your mother off, and 4.5 km back home. The trip takes 20 min.
What is your velocity in m/s? - Correct Ans: ✅ 0 m/s
Which of the following is distance divided by the change in time? -
Correct Ans: ✅ Speed
You drive a car 2.0 km to the gas station, 4.0 km to the shopping mall to let your mother off, and 4.5 km back home. The trip takes 20.
min. What is your average speed? - Correct Ans: ✅ 8.75 m/s
Which value indicates a dependence on the path an object travels? -
Correct Ans: ✅ 5 m/s
Under what condition is the average velocity equal to the
instantaneous velocity? - Correct Ans: ✅ Constant Velocity
Cheryl runs a race on a 400.0 m circular track. She starts running east of the starting line and then circles the track and falls, stopping 1. m west of the starting line. Her time is 80.0 s. What was her average
velocity? - Correct Ans: ✅ -1.25 x 10^-2 m/s
