Motion Speed Velocity

Which of the following answers shows velocity?

• 5 meters

• 23 m/s north

• 18 m/s

• 3 seconds

On a velocity time graph, what does a falling line represent?

• negative acceleration

• positive acceleration

• constant acceleration

• no acceleration

What does the flat line represent?

• constant speed

• no motion, or that the object has stopped

• increasing speed

• slowing down

Tags

NGSS.MS-PS3-1

What are the units for speed?

• m/s²

• m/s

• m

• s

Tags

NGSS.MS-PS3-1

Which of these graphs show an object speeding up?

Tags

6.8D

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.

• There is no difference; they are the same.

• Speed can only be calculated for objects in motion, while velocity can be calculated for objects at rest.

the speed of an object and the direction of its motion ​ (a)  

• velocity

• acceleration

• average speed

• instantaneous speed ​

Tags

NGSS.MS-PS3-1

Fill in the blank: The ___ of the car is 75 mph.

(a)  

• speed

• velocity

equals the distance traveled divided by the time it takes to travel the distance​ (a)   ​ ​

• Average Speed

• acceleration

• instantaneous speed

• velocity

What is the formula for velocity?

• v = d/t + direction

• v = direction

• v = t/d + direction

• v = d x t + direction