What is the difference between instantaneous speed and average speed?

Instantaneous speed happens in a particular instant, Average speed is the speed of an object over a longer period of time.

Average speed happens in a particular instant, Instantaneous speed is the speed of an object over a longer period of time.

Instantaneous speed is never right, average speed is always right

Can a car's instantaneous speed ever be greater than it's average speed?

yes, it can, for example when passing another car.

yes, sometimes it can be greater for the whole journey!

no, the average speed must always be higher

no, the instantaneous speed and the average speed must be equal

Michelle Ann conducted an experiment on speed using her toy car. She listed all the data she gathered in the table below. Upon analyzing her data, she concluded that toy car C is the slowest among the four. Do you think her conclusion is correct?

B. Yes, because it has the greatest time recorded.

A. Yes, because its speed is 20m/s.

C. No, because all the toy car travelled the same distance.

D. No, because the slowest toy car is the one that took the least time.

What is the line on this graph showing?

moving away from starting point at a constant speed

moving back towards the starting point at a constant speed

moving away and accelerating (getting faster)

moving away and decelerating (getting slower)

What is this object doing?

moving at a constant speed away from start and then stops

increasing speed and then stops

decreasing speed and then constant speed

moving at a constant speed away from start and then constant speed

Marlow was asked by her teacher how to solve the speed of an object. She said that to solve for the speed of an object, one must multiply the distance travelled by the recorded time of travel. Do you think her process is correct?

C. No, because in solving for speed one must divide the distance travelled by the recorded time of travel.

A. Yes, because multiplication is the way to solve for speed.

B. Yes, because she had all the needed data like distance and time.

D. No, because in solving for speed one must add the recorded time and the distance travelled.

Average v instantaneous speed and distance/time graphs

Authored by Paul Dobbie

Physics

6th - 8th Grade

NGSS covered

Used 4+ times

Average v instantaneous speed and distance/time graphs

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MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the equation to calculate distance?

distance = speed/time

distance = time/speed

distance = speed/distance

distance = speed x time

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Match the description to the graph:
"The car is stopped."

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a unit of speed ?

sec

m/s

min

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Match the description to the graph:
"The car is traveling at a constant speed."

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

________ can be calculated if you know the distance an object traveled and the unit of time. (distance ÷ time)

Speed

Motion

Opportunity

Velocity

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which runner stopped for a rest?

Albert

Bob

Charlie

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following is a unit of time?

sec

m/s

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Average v instantaneous speed and distance/time graphs

What is the equation to calculate distance?

Match the description to the graph:
"The car is stopped."

Which of the following is a unit of speed ?

Match the description to the graph:
"The car is traveling at a constant speed."

________ can be calculated if you know the distance an object traveled and the unit of time. (distance ÷ time)

Which runner stopped for a rest?

Which of the following is a unit of time?

How long did Charlie stop for a rest?

A speed boat travels 200 km at a speed of 20 km/hr. How much time will it take to travel the 200 km?

Which runner won the race?

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Popular Resources on Wayground

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Average v instantaneous speed and distance/time graphs

What is the equation to calculate distance?

Match the description to the graph:"The car is stopped."

Which of the following is a unit of speed ?

Match the description to the graph:"The car is traveling at a constant speed."

________ can be calculated if you know the distance an object traveled and the unit of time. (distance ÷ time)

Which runner stopped for a rest?

Which of the following is a unit of time?

How long did Charlie stop for a rest?

A speed boat travels 200 km at a speed of 20 km/hr. How much time will it take to travel the 200 km?

Which runner won the race?

Access all questions and much more by creating a free account

Popular Resources on Wayground

Discover more resources for Physics

Match the description to the graph:
"The car is stopped."

Match the description to the graph:
"The car is traveling at a constant speed."