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Constants I Periodic TableAcceleration in blood flow. The figure shows a patternof coronary artery blood flow rates (cm/s)successfully treated for a myocardial infarction (heartattack). The upper and lower peaks represent thediastolic and systolic phases of the heartbeat.(Figure 1)in a patientPart AEstimate the average acceleration of the blood betweern the systolic andthe diastolic peaks of these phases.Express your answer to two significant figures and include theappropriate units.HA?ValueUnitsFigure1 of 1Previous Answers Request AnswerSubmit70Incorrect; Try Again; 2 attempts remainingTime (s)Part B-70Velocity (cm/s)

Question

how do you find the average acceleration?

Constants I Periodic Table
Acceleration in blood flow. The figure shows a pattern
of coronary artery blood flow rates (cm/s)
successfully treated for a myocardial infarction (heart
attack). The upper and lower peaks represent the
diastolic and systolic phases of the heartbeat.(Figure 1)
in a patient
Part A
Estimate the average acceleration of the blood betweern the systolic and
the diastolic peaks of these phases.
Express your answer to two significant figures and include the
appropriate units.
HA
?
Value
Units
Figure
1 of 1
Previous Answers Request Answer
Submit
70
Incorrect; Try Again; 2 attempts remaining
Time (s)
Part B
-70
Velocity (cm/s)
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Constants I Periodic Table Acceleration in blood flow. The figure shows a pattern of coronary artery blood flow rates (cm/s) successfully treated for a myocardial infarction (heart attack). The upper and lower peaks represent the diastolic and systolic phases of the heartbeat.(Figure 1) in a patient Part A Estimate the average acceleration of the blood betweern the systolic and the diastolic peaks of these phases. Express your answer to two significant figures and include the appropriate units. HA ? Value Units Figure 1 of 1 Previous Answers Request Answer Submit 70 Incorrect; Try Again; 2 attempts remaining Time (s) Part B -70 Velocity (cm/s)

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Step 1

Part A)

The expression for the average acceleration is,

a=.
t
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a=. t

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Step 2

Substitute the ...

(0.7m/s)-(0.7m/s)
(0.3s)
-4.67m/s2
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(0.7m/s)-(0.7m/s) (0.3s) -4.67m/s2

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