How to Calculate Speed of an Object Your Subtitle Goes Here.

7
How to Calculate Speed of an Object Your Subtitle Goes Here

Transcript of How to Calculate Speed of an Object Your Subtitle Goes Here.

How to Calculate Speed of an ObjectYour Subtitle Goes Here

Put in a Linear Formula (Distance Formula)

y=mx+b

y=10x+b

y=10x+0

D=10x+0

D=10(T)+0

D=10(T)

D=S(T)

Distance= Speed* Time

Speed Formula

D=S(T)

D=S(T)

TT

D=S

T

Speed = Distance Time

Time Formula

D=S(T)

SS

D=T

S

Time = Distance Speed

• A car travels a distance of 540km in 6 hours. What speed did it travel at?

Example Problem #1

Given Work

Answer

D T

S

D=

S=

540 km

T?

S=D

T= 6 hoursS=

540 km

6 hours

S= 90 km/hr

• A train travels at a speed of 30mph and travel a distance of 240 miles. How long did it take the train to complete it’s journey?

Example Problem #2

Given Work

Answer

D=

T=S= 30 mph

240 miles

?

T=D

ST=

240 Miles

30 mph

T= 8 hours

D

T

S

• Jim travelled at a speed of 18km/h for 2 hours. What was the distance covered?

Example Problem #3

Given Work

Answer

S=

T=

D=

18km/h

2 hours

? D= T (S)

D=2 hours (18km/h)

D= 36 km

D

TS