Answers SY2025-26 - 2002040 MJ Comprehensive Science 1 Sem 1 CRUnit Test

Acceleration Answers

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Which graph shows a negative acceleration?

A graph with horizontal axis time (seconds) and vertical axis position (meters). A straight line runs from 0 seconds 0 meters upward.

A graph with horizontal axis time (seconds) and vertical axis position (meters). A concave line runs from 0 seconds 0 meters upward.

A graph with horizontal axis time (seconds) and vertical axis position (meters). A straight line runs from 0 seconds some positive number meters upward downward to some positive number of seconds 0 meters.

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Which of these is an example of acceleration?

a bicyclist turning around a corner

a car parked in a driveway

a bus traveling north at 25m/s

a helicopter waiting to take off

The chart shows the times and accelerations for three drivers.Which lists them from greatest to lowest change in velocity?

Dustin → Diego → Kira

Dustin → Kira → Diego

Kira → Dustin → Diego

Kira → Diego → Dustin

A car is traveling in a race. The car went from the initial velocity of 35 m/s to the final velocity of 65 m/s in 5 seconds. What is the acceleration?

–13 m/s2

–6 m/s2

6 m/s2

13 m/s2

Which equation is most likely used to determine the acceleration from a velocity vs. time graph?

a =