2.11 Kinematic equations

Multiple Choice

What is the correct unit for acceleration in kinematic equations?

• m/s

• m/s^2

• m

• s

Multiple Choice

Which of the following quantities must have both magnitude and direction to be used in kinematic equations?

• Displacement, velocity, and acceleration

• Time and displacement

• Velocity and time

• Acceleration and time

Multiple Select

Which of the following are variables used in kinematics?

• t

• y

• x

• v_0

Fill in the Blank

The general kinematic equation for velocity is v = ___ + at.

_

Open Ended

Explain the difference between the use of vertical and horizontal subscripts in kinematic equations.

Multiple Choice

Which of the following is the correct kinematic equation for velocity in the vertical direction?

• v_y = v_0y + a_yt

• v = v_0 + at

• v_x = v_0x + a_xt

• v^2 = v_0^2 + 2ax

Fill in the Blank

In the equation v = v_0 + at, the symbol 'a' stands for ___

Multiple Select

Which of the following are correct units for the variables in the kinematic equation v = v_0 + at?

• v: m/s

• a: m/s^2

• t: seconds

• v_0: kg

Multiple Choice

What is the general kinematic equation that relates final velocity, initial velocity, acceleration, and displacement?

• v^2 = v_0^2 + 2ax

• v = v_0 + at

• v_x = v_0x + a_xt

• v = m/s + direction

Multiple Choice

Which of the following best describes the meaning of 'x' in the kinematic equation x = x₀ + v₀t + 1/2at²?

• Displacement

• Initial velocity

• Acceleration

• Time

Multiple Select

Which of the following are correct SI units for the variables in the kinematic equation x = x₀ + v₀t + 1/2at²?

• x: meters (m)

• v₀: m/s

• t: seconds (s)

• a: m/s²

Multiple Choice

When an object comes to rest, what is its final velocity (v)?

• 0 m/s

• 9.8 m/s

• Depends on initial velocity

• Cannot be determined

Fill in the Blank

If an object starts at rest, its initial velocity v₀ = ___ m/s.

Open Ended

Explain why gravity (g) is considered only in the vertical direction when solving kinematics problems.

Multiple Choice

A bike accelerates uniformly from rest to a velocity of 7.1 m/s east over a displacement of 35.4 m east. What information is given in the problem?

• Initial velocity, final velocity, and displacement

• Final velocity, displacement and acceleration

• Time, acceleration and displacement

• Acceleration, final velocity and time

Open Ended

How can mathematical models be used to describe the motion of an object?

Open Ended

How can the motion of an object be described using more than just words?