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a. Accurate only b. Precise only c. Neither precise nor accurate d. Both precise and accurate 3. Which type of errors occurs in measurements of temperature due to poor thermal contact between the thermometer and the substance whose temperature is to be found? a. systematic errors b. random errors c. both systematic and random errors d. neither systematic nor random errors 4. Which type of errors occurs in the fluctuations in line voltage, temperature, or mechanical vibrations of equipment? a. systematic errors b. random errors c. both systematic and random errors d. neither systematic nor random errors The scores obtained by six students are: (45, 32, 46, 39,36, 48) Find the mean. A. 40 8.41 C. 42 D. 43 6. Find the variance of the following set of data (2.44 m, 2.36 m, 2.48m, 2.35 m, 2.59 m) A. 0.00 7701 m² C. 0.00 77 03m² B. 0.00 7702 m² D. 0.00 7704 m² 7. refers to the numerical value or size A. vector C. scalar B. force D. magnitude 8. A quantity has both magnitude and direction. A. vector C. scalar B. force D. magnitude 9. It is always perpendicular to the surface with which an object is in contact. A. normal force C. weight D. friction B. tension force 10. The two are related because they are both due to the surface in contact with the body. A. normal force C. weight D. friction B. tension force II. PROBLEM SOLVING Directions: Solve the following problems accurately. 1. Draw the following displacement vectors in a single Cartesian plane usingthe scale 1 cm = 1m (5pts each) A. d1= 4m, 300 North of East B. d2 = 5m, 300 South of East C. d3-3m, 600 West of South D. d4 = 6m, 400 West of North 2. (5pts each) -25 3. A car travelling at 15 km per hour starts to decelerate steadily. It comes to a complete stop in 15 seconds. What is the car's acceleration? (Spts each) 4. Alma sits 1.5 m from the center of the merry-go-round. If she undergoes a 1.25 m/s² centripetal acceleration, what is her linear velocity? (5pts each)

a. Accurate only b. Precise only c. Neither precise nor accurate d. Both precise and accurate 3. Which type of errors occurs in measurements of temperature due to poor thermal contact between the thermometer and the substance whose temperature is to be found? a. systematic errors b. random errors c. both systematic and random errors d. neither systematic nor random errors 4. Which type of errors occurs in the fluctuations in line voltage, temperature, or mechanical vibrations of equipment? a. systematic errors b. random errors c. both systematic and random errors d. neither systematic nor random errors The scores obtained by six students are: (45, 32, 46, 39,36, 48) Find the mean. A. 40 8.41 C. 42 D. 43 6. Find the variance of the following set of data (2.44 m, 2.36 m, 2.48m, 2.35 m, 2.59 m) A. 0.00 7701 m² C. 0.00 77 03m² B. 0.00 7702 m² D. 0.00 7704 m² 7. refers to the numerical value or size A. vector C. scalar B. force D. magnitude 8. A quantity has both magnitude and direction. A. vector C. scalar B. force D. magnitude 9. It is always perpendicular to the surface with which an object is in contact. A. normal force C. weight D. friction B. tension force 10. The two are related because they are both due to the surface in contact with the body. A. normal force C. weight D. friction B. tension force II. PROBLEM SOLVING Directions: Solve the following problems accurately. 1. Draw the following displacement vectors in a single Cartesian plane usingthe scale 1 cm = 1m (5pts each) A. d1= 4m, 300 North of East B. d2 = 5m, 300 South of East C. d3-3m, 600 West of South D. d4 = 6m, 400 West of North 2. (5pts each) -25 3. A car travelling at 15 km per hour starts to decelerate steadily. It comes to a complete stop in 15 seconds. What is the car's acceleration? (Spts each) 4. Alma sits 1.5 m from the center of the merry-go-round. If she undergoes a 1.25 m/s² centripetal acceleration, what is her linear velocity? (5pts each)

College Physics
College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter11: Energy In Thermal Processes
Section: Chapter Questions
Problem 68AP
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02:11 A A A V 14 Ó 41% a. Accurate only c. Neither precise nor accurate b. Precise only d. Both precise and accurate 3. Which type of errors occurs in measurements of temperature due to poor thermal contact between the thermometer and the substance whose temperature is to be found? a. systematic errors b. random errors c. both systematic and random errors d. neither systematic nor random errors 4. Which type of errors occurs in the fluctuations in line voltage, temperature, or mechanical vibrations of equipment? a. systematic errors b. random errors c. both systematic and random errors d. neither systematic nor random errors 5. The scores obtained by six students are : ( 45 , 32, 46, 39 ,36 , 48) Find the mean. C. 42 A. 40 B. 41 D. 43 6. Find the variance of the following set of data ( 2.44 m, 2.36 m, 2.48m, 2.35 m, 2.59 m) C.0.00 77 03m? D. 0.00 7704 m² A. 0.00 7701 m? B. 0.00 7702 m? refers to the numerical value or size C. scalar D. magnitude 7. A. vector B. force quantity has both magnitude and direction C. scalar 8. A A. vector B. force D. magnitude 9. It is always perpendicular to the surface with which an object is in contact. A. normal force C. weight B. tension force D. friction 10. The two are related because they are both due to the surface in contact with the body. C. weight D. friction A. normal force B. tension force II. PROBLEM SOLVING Directions: Solve the following problems accurately. 1. Draw the following displacement vectors in a single Cartesian plane usingthe scale 1 cm = 1m (Spts each) A. d1 = 4m, 300 North of East B. d2 = 5m, 300 South of East C. d3 = 3m, 600 West of South D. d4 = 6m, 400 West of North 2. (Spts each) -25 gm/s F 100 N.N 27° 3. A car travelling at 15 km per hour starts to decelerate steadily. It comes to a complete stop in 15 seconds. What is the car's acceleration? (5pts each) 4. Alma sits 1.5 m from the center of the merry-go-round. If she undergoes a 1.25 m/s? centripetal acceleration, what is her linear velocity? (5pts each)
Transcribed Image Text:02:11 A A A V 14 Ó 41% a. Accurate only c. Neither precise nor accurate b. Precise only d. Both precise and accurate 3. Which type of errors occurs in measurements of temperature due to poor thermal contact between the thermometer and the substance whose temperature is to be found? a. systematic errors b. random errors c. both systematic and random errors d. neither systematic nor random errors 4. Which type of errors occurs in the fluctuations in line voltage, temperature, or mechanical vibrations of equipment? a. systematic errors b. random errors c. both systematic and random errors d. neither systematic nor random errors 5. The scores obtained by six students are : ( 45 , 32, 46, 39 ,36 , 48) Find the mean. C. 42 A. 40 B. 41 D. 43 6. Find the variance of the following set of data ( 2.44 m, 2.36 m, 2.48m, 2.35 m, 2.59 m) C.0.00 77 03m? D. 0.00 7704 m² A. 0.00 7701 m? B. 0.00 7702 m? refers to the numerical value or size C. scalar D. magnitude 7. A. vector B. force quantity has both magnitude and direction C. scalar 8. A A. vector B. force D. magnitude 9. It is always perpendicular to the surface with which an object is in contact. A. normal force C. weight B. tension force D. friction 10. The two are related because they are both due to the surface in contact with the body. C. weight D. friction A. normal force B. tension force II. PROBLEM SOLVING Directions: Solve the following problems accurately. 1. Draw the following displacement vectors in a single Cartesian plane usingthe scale 1 cm = 1m (Spts each) A. d1 = 4m, 300 North of East B. d2 = 5m, 300 South of East C. d3 = 3m, 600 West of South D. d4 = 6m, 400 West of North 2. (Spts each) -25 gm/s F 100 N.N 27° 3. A car travelling at 15 km per hour starts to decelerate steadily. It comes to a complete stop in 15 seconds. What is the car's acceleration? (5pts each) 4. Alma sits 1.5 m from the center of the merry-go-round. If she undergoes a 1.25 m/s? centripetal acceleration, what is her linear velocity? (5pts each)
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