Solve the following problems using the formula shown here.
A football field is about 90meters long. If it took Eduardo 20 seconds to
run its length, how fast was he running
If you drive at 120 km/hr for 5 hours, how far will you go?
2. Sarah can backstroke at an average speed of 7.6 meters per second.
How long will it take her in minutes to compare a race of 15kma
D-
T =
3 You amive in my class 45.0 s after leaving math which is 90.0 meters
away. What is your speed?
S =
4. In competition, an athlete threw a flying disk 139.0 meters through the
air. While in flight, the disk travelled at an average speed of 13.0 m/s.
how long did the disk remain in the air, in second?
T=
S=
Answers & Comments
Answer:
1.
D=90 METERS
T=SECONDS
S=4.5 M/S
2.
D=600 KM
T=5 HOURS
S= 120 KM/HR
3.
D=15 KM
T=2.142 HRS/S
S=7.6 METERS PER SECOND
4.
D=90 METERS
S=2 HOURS
T=45.0 s
5.
D=139.0 METERS
T=10.692 SECOND
S=13.0 M/S