Question 1 In Cynthia's physics class, she must turn in four lab reports. For each report, she earns extra credit if her percent error is less than 5%. For her first lab report, she calculated the value of the acceleration due to gravity three times. She got these three values. m m m 9.56 ) 9.72 2 0.88 2 The accepted value of the acceleration due to gravity is 9.8 % . Find Cynthia's percent error. Remember to take the average of the three measurements before you calculate the percent error. Enter your answer rounded to two decimal places, like this: 42.53. Note: Do not round your calculations until you have your final answer. Cynthia's values are about % off from the accepted value. Question 2 In Cynthia's physics class, she must turn in four lab reports. For each report, she earns extra credit if her percent error is less than 5%. For her second lab report, she calculated the height of a building four times. She got these four heights. 6. 8m, 75m, 8Im, 7.8m The true height of the building is 7 m. What was Cynthia's percent error? Remember: Take the average of the four measurements before you calculate the percent error. O about 7% O about 5% O about 8% O about 6% Question 3 For Cynthia's third lab report, she calculated the mass of an object as it slid down an inclined plane. She got these three masses. 120keg, 091kg, 1.08kg The true mass of the object is 1 kg. Type your answer in the box to complete the sentence. Enter your answer rounded to two decimal places, like this: 42.53. Cynthia's percent error was D% Note: Do not round your calculations until you have your final answer. Question 4 For Cynthia's fourth lab report, she calculated the ratio of velocities before and after the impact of a basketball bouncing on a court. This measurement is called the coefficient of restitution. She got these four values. 0.72, 0.75, 0.73, 0.76 The accepted value is 077 Type your answer in the box to complete the sentence. Enter your answer rounded to two decimal places, like this: 42.53. Cynthia's percent error was D% Question 5 Think of a real-life situation where knowing the percent error would help. Think of something different from the situations already described in this activity. In a short paragraph, describe your situation and include the percent error. Explain why knowing the percent error is helpful. Type your answer in the box. B 7 U |= =| & |