I got parts A and B correct, but my answer for part C is wrong. Need help with part C pls. Constants I Periodic TableA motion sensor can accurately measure the distance dto an object repeatedly via the sonar technique. (Olderautofocusing cameras determine the distance by emittinga pulse of very high frequency (ultrasonic) sound thattravels to the object being photographed, and include asensor that detects the returning reflected sound, asshown in the figure.) (Figure 1) A short ultrasonic pulse isemitted and reflects from any objects it encounters,creating echo pulses upon their arrival back at thesensor. The sensor measures the time interval t betweenthe emission of the original pulse and the arrival of theSubmitPrevious AnswersCorrectPart Cfirst echo.Assume that during a lab period the room's temperature increases from 20°C to 24 °C. What percent error will thisintroduce into the motion sensor's distance measurements?Figure1 of 1Express your answer using two significant figures.?Autofocusing cameraAd3.4%dSubmitPrevious Answers Request AnswerX Incorrect; Try Again; 4 attempts remainingProvide FeedbackNext Constants I Periodic TableA motion sensor can accurately measure the distance dto an object repeatedly via the sonar technique. (Olderautofocusing cameras determine the distance by emittinga pulse of very high frequency (ultrasonic) sound thattravels to the object being photographed, and include asensor that detects the returning reflected sound, asshown in the figure.) (Figure 1) A short ultrasonic pulse isemitted and reflects from any objects it encounters,creating echo pulses upon their arrival back at thesensor. The sensor measures the time interval t betweenthe emission of the original pulse and the arrival of thefirst echo.Part AThe smallest time interval t that can be measured with high precision is 1.2 ms . What is the smallest distance (at 20°C) that can be measured with the motion sensor?Express your answer to two significant figures and include the appropriate units.dmin= 0.21 mSubmitPrevious AnswersFigure1 of 1CorrectPart BАutofocusing сатeraIf the motion sensor makes 13 distance measurements every second (that is, it emits 13 sound pulses per second atevenly spaced time intervals), the measurement of t must be completed within the time interval between theemissions of successive pulses. What is the largest distance (at 20° C) that can be measured with the motionsensor?Express your answer to two significant figures and include the appropriate units.dmax= 13 mSubmitPrevious AnswersCorrect

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