Speed and Velocity

Presentation

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Physics

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9th Grade

•

Practice Problem

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Easy

•

CCSS

6.RP.A.1, 4.MD.A.1, 2.MD.A.3

Standards-aligned

Olamide Gbenga

Used 283+ times

FREE Resource

7 Slides • 10 Questions

Speed

Page 48 and 49

Multiple Choice

Attendance : Click Present if you are in the class

Present

Absent

Lesson Objective

At the end of this lesson, students will be able to

Calculate average speed

Multiple Choice

Which of the following is a unit of time?

sec

m/s

Multiple Choice

Jerry walked from home to school, then from the school to the park. What is his total distance?

2 km

5 km

8 km

10 km

Multiple Choice

Scott drives a Jeep 12 km east, then 4 km north, then finally 3 km west. He traveled a total distance of:

5 km

10 km

13 km

19 km

How fast do you think this car in this image is moving

How much time does the car take to cover 1 kilometer?

What is Speed ?

All of the questions in the slide above involve the rate of motion
In physics, the rate of motion of an object is referred to as Speed
Speed simply means how fast or slow something moves

Multiple Choice

Which of the following is faster

A Ferrari that covers 35 km in 1 hour

A truck than travels 35km in 30 minutes

A Mclaren that covers 35km in 30 seconds

How do we calculate speed

Speed is by dividing distance covered by an object by time
The unit for Speed is m/s
The unit for speed can also depend on the units for distance you are given in a question.

Multiple Choice

What is the speed of an object that travels 60 meters in 4 seconds?

240 m/s

15 m/s

0.067 m/s

15 mph

Head over to Microsoft Teams for some more examples

Multiple Choice

How far will a person go if they jog for 2 hours at a speed of 12 km/hr?

6 km

0.5 km

10 km

24 km

Multiple Choice

Calculate the speed of a train that traveled 400 miles in 5 hours.

20 mph

20 m/s

80 mph

80 m/s

Multiple Choice

It was a dark stormy night, when suddenly you saw a flash of lightning. Three and a half seconds later you heard the thunder. Given that the speed of sound is 340m/s, how far did the lightning strike in meters and kilometers ?

1190 meters; 1.190 kilometers

97.14 kilometers ; 97140 meters

1190 kilometers ; 1190000 meters

Home work - Question 13 on Page 49

Take a picture of your workings and answer and upload on the assignment on google classroom.

Thank You !!!!!!!!

Poll

Which of the following best describes how you feel about this lesson

I know how to use the formula for speed to calculate speed, distance and time

I know how to use the formula for speed to calculate speed and distance but not time.

I know how to use the formula for speed to calculate Speed, but i can't calculate distance and time

I do not know how to use the formula

I need more practice questions

Speed

Page 48 and 49

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