SUMMATIVE QUIZ IN PHYSICS

A student measured the length of the table using a ruler and measured 36 inches. What will be the length of the table in feet?

• 1 foot

• 2 feet

• 3 feet

• 4 feet

What is defined as to how close a given set of observation are to their true value?

• Accuracy

• Distance

• Precision

• Velocity

Which of the following is an example of Systemic error?

• Gross error

• Indeterminate

• Instrumental

• Random

What is calculated by taking the average of squared deviations from the mean?

• Acceleration

• Speed

• Variance

• Velocity

What quantity contains magnitude, a unit, and a direction?

• Distance

• Displacement

• Scalar

• Vector

What is the sum of 2 vectors with individual measurements of 5 meters East and 2 meters East?

• 5 m, E

• 6 m, E

• 7 m, E

• 8 m, E

If another vector with 3 meters West is added to 7 meters East, what will be the sum of the vectors?

• 4 m, E

• 5 m, E

• 6 m, E

• 7 m, E

Pythagorean theorem is a geometric theorem in which the sum of the squares on the legs of a right triangle is equal to the square of the hypotenuse. Which is the correct mathematical expression of the Pythagorean theorem?

• a2 = b2 + c2

• b2 = c2 + a2

• c2 = a2 + b2

• c2 + a2 = b2

Given the opposite and adjacent sides of a right triangle, Jake wanted to know if the angle he measure using a protractor is correct. Which of the following trigonometric equations can he use to solve for the angle?

• cosθ=adj/hyp

• cosθ=opp/adj

• sinθ=adj/hyp

• tanθ=opp/adj

What physical quantity is represented by the area under a velocity vs. time curve?

• Acceleration

• Displacement

• Force

• Velocity