Kinematics Quiz 0.4 - 1.3

What is the worldwide standard unit for length?

• Kilograms

• Meters

• Seconds

• Centimeters

What is the mathematical relationship for directly proportional variables?

• y = kx

• y = k/x

• y = kx²

• y = x/k

What is the definition of accuracy?

• A factor that makes a measured value different than the true value

• Closeness to the true value

• Error related to line of sight

• A range of values within which the true value is expected to be

What is the definition of a dependent variable?

• The quantity that we change in an experiment

• The quantity that changes as a result of what we change in an experiment

• A property of matter, energy, or waves

• A central value found by adding the terms and dividing by the number of terms

What is the definition of uncertainty?

• Closeness to the true value

• A range of values within which the true value is expected to be

• A factor that makes a measured value different than the true value

• Error related to line of sight

What is the mathematical relationship for direct square proportional variables?

• y = kx

• y = k/x

• y = kx²

• y = x/k

What is a scalar?

• A quantity with magnitude and direction

• A quantity with magnitude only

• The rate of change of distance

• The rate of change of displacement

What does distance refer to in kinematics?

• The straight line distance between start and end points

• The length of the actual path an object takes

• Rate of change of velocity

• Rate of change of displacement

How is average speed calculated?

• Rate of change of distance

• Rate of change of displacement

• Distance traveled divided by time taken

• Change in one quantity divided by the change in another quantity

What is velocity?

• Rate of change of distance

• Rate of change of displacement

• Rate of change of velocity

• Constant