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Mission KC7 Average Acceleration Calculations

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Hold down the T key for 3 seconds to activate the audio accessibility mode, at which point you can click the K key to pause and resume audio. Useful for the Check Your Understanding and See Answers.

The Question

A ball falls from rest for 0.67 seconds, reaching a final speed of 6.57 m/s (downward or -) just prior to hitting the ground. Determine the average acceleration of the ball in m/s/s. Enter a numerical answer (no units) accurate ... .
 
(Note: Numbers are randomly generated and may differ from those shown here.)

Formula Fix

Acceleration (a) is the rate of change in an object's velocity. It is determined from knowledge of a velocity change (Δv) and the change in time (Δt) over which the velocity changes.
 
a = Δvelocity / Δtime = Δv / Δt

A Very Fine Detail

The Minds On Physics program calculates answers accurate to several decimal places. Your answer does not need to be that precise. The program will allow you to have a 1% deviation from the right answer without being wrong. This means you should enter your answer to at least the second decimal place.

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