Speed, Velocity, and Acceleration

Which of the following is a scalar quantity?

• Speed

• Velocity

• Acceleration

• Force

What is the difference between speed and velocity?

• Speed is a scalar quantity, while velocity is a vector quantity.

• Speed is a vector quantity, while velocity is a scalar quantity.

• Speed and velocity are both scalar quantities.

• Speed and velocity are both vector quantities.

Which of the following is a vector quantity?

• Speed

• Velocity

• Acceleration

• Distance

What is instantaneous velocity?

• The average velocity over a given time interval.

• The velocity at a specific moment in time.

• The change in velocity over a given time interval.

• The velocity of an object at rest.

What is the formula for average speed?

• Average Speed = Distance / Time

• Average Speed = Time / Distance

• Average Speed = Velocity * Time

• Average Speed = Acceleration * Time

Which of the following is a unit of acceleration?

• m/s

• m/s^2

• m/s^3

• m/s^4

What is the acceleration of an object at rest?

• Zero

• Positive

• Negative

• Cannot be determined

What is the formula for acceleration?

• Acceleration = Final Velocity - Initial Velocity / Time

• Acceleration = Time / (Final Velocity - Initial Velocity)

• Acceleration = Distance / Time

• Acceleration = Velocity * Time

What is the SI unit of speed?

• m/s

• m/s^2

• m/s^3

• m/s^4

What is the SI unit of velocity?

• m/s

• m/s^2

• m/s^3

• m/s^4