Review-Semester Exam-Graphing Motion and 1D Motion with Gravity

Front

What are the units for speed/velocity?

Back

m/s

Front

A ball is dropped off a cliff. 4 seconds later, it hits the water. Calculate the velocity when it hit the water. (Solve for final velocity)

Back

-39.2m/s

Front

A motorcycle is stopped at a red light. When the light turns green, it gains velocity at a rate of 40m/s² for 4 seconds. How long did it take the motorcycle to do this?

Back

4 s

Front

A motorcycle is stopped at a red light. When the light turns green, it gains velocity at a rate of 40m/s² for 4 seconds. Calculate the motorcycle's final velocity.

Back

160m/s

Front

Which statement is true about the motion of the object in the graph shown below?

Back

The object was traveling at a constant rate of speed and began positive acceleration after 16 seconds.

Front

Define acceleration.

Back

Acceleration is the rate of change of velocity of an object with respect to time.

Front

What is the formula for calculating final velocity?

Back

Final Velocity (v) = Initial Velocity (u) + Acceleration (a) × Time (t)

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity that refers to how fast an object is moving, while velocity is a vector quantity that includes both speed and direction.

Front

What is the acceleration due to gravity on Earth?

Back

Approximately 9.8 m/s².

Front

How do you calculate the distance traveled under constant acceleration?

Back

Distance (d) = Initial Velocity (u) × Time (t) + 0.5 × Acceleration (a) × Time² (t²).