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Answer It Please I Really Need It Jts Going To Pass Tomorrow I Really Need It Please Answer It You Save My Grades If You Answer It Please class=

Sagot :

Answer:

1. 4hrs

2. 3hrs

3. 30km

4. 250km

5. 35km

6. 51m/h

7. 4.5km/h

8. a. 70km/h ; b. 19.44m/sec

9. 61.2 km/h

10. 37.5 km/hr

Step-by-step explanation:

1. t=d/s

t= 300km / 75 km/h

t=4hrs

2. t=d/s

t= 96km / 32km/h

t= 3hrs

3. d=st

d= 60 km/h × 0.5 hr

d= 30km180km

4. d=st

d=50km/h × 5hrs

d= 250km

5. d=st

d= 10km/h × 3.5 hrs

d= 35km

6. s=d/t

s= 612 m/ 12hrs

s= 51 m/h

7. s=d/t

s= 9km / 2 hrs

s= 4.5km/hr

8. s=d/t

s= 140km / 2 hrs

s= 70km/hr

(to convert km/h to m/sec simply multiply the number by 5 and the divide it by 18.)

9. d=st

d= 60km/h × 3hr

d= 180km

d= 63hm/h / 2hrs

d=126km/h

180+126= 306

3+2=5

(Divide the total distance traveled by the total time spent traveling)

s= 306km / 5 hrs

s= 61.2 km/h

10. s=d/t

s= 150 km / 4hr

s= 37.5 km/h

hope it helps.