General Physics 1 Written Works Week 1

This is the comparison between known and unknown quantity. What is this?

• Measurement

• Physics

• Kinematics

• Accuracy

When the physical quantity is formulated based from the fundamental quantities, what is it called?

• Base quantities

• scientific notation numbers

• derived quantities

• measurement

Melvinne obtained 17.0cm, 16.7cm, 17.1cm, 16.8cm with his measurements of the book while Leonel has the following data: 15.cm, 15.0cm, 15.2cm, 15.3cm. Who is more accurate when measuring a book that has a true length of 17.0cm?

• Melvinne

• Leonel

• both of them

• they have obtained both errors in measuring

Which of these values is greatest?

• 0.0056

• 0.56

• 5.6 x 10^-2

• 56 x 10^-1

Yvonne was assigned to measure the size of the Santiago’s basketball Court. She was able to obtain 19 meters for the length and 8.5 meters wide. With the details she has, what kind of quantity is it?

• vector

• scalar

• magnitude

• direction

Emmanuel is driving to Pagudpud with his friends Helizabeth and Rico at a speed of 100km/hr. What is the type of quantity was given in the statement?

• vector

• scalar

• magnitude

• direction

Which of the following is the equivalence of kilometer?

• 10³

• 10-³

• 102

• 101

Poor precision in scientific measurement may arise from ________.

• The standard being too strict

• Human error

• Limitations of the measuring instrument

• Both human error and the limitations of the measuring instrument

The volume of a liquid is 20.5 ml. Which of the following sets of measurement the value with good accuracy?

• 18.6 ml, 17.6 ml, 19.6 ml, 17.2 ml

• 18.8 ml, 19.0 ml, 19.2 ml, 18.8 ml

• 19.3 ml, 19.2 ml, 18.6 ml, 18.7 ml

• 20.2 ml, 20.5 ml, 20.3 ml 20.1 ml

April forgot to calibrate her analytical balance before she measured the mass of her reactants in a chemistry experiment. She committed 78% percentage error in her measurement. What type of measurement error did she commit?

• human error

• parallax error

• random error

• systematic error