Answer:
1. given: 20mins, 30km
formula: 20mins = nhour
: 30km / nhr = speed
solution: 20mins = 0.33hr
: 30km / 0.33hr = 90.91km/hr
answer: 90.91km/hr is the average speed of the bus
2. given: 50meters, 25seconds and north
formula: 50m / 25sec = speed
: speed + direction = velocity
solution: 50m / 25sec = 2m/s
: 2m/s + north = 2m/s north
answer: 2m/s is the average speed of the girl. 2m/s north is her velocity.
Explanation:
sana po makatulong parin yan..
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Answers & Comments
Answer:
1. given: 20mins, 30km
formula: 20mins = nhour
: 30km / nhr = speed
solution: 20mins = 0.33hr
: 30km / 0.33hr = 90.91km/hr
answer: 90.91km/hr is the average speed of the bus
2. given: 50meters, 25seconds and north
formula: 50m / 25sec = speed
: speed + direction = velocity
solution: 50m / 25sec = 2m/s
: 2m/s + north = 2m/s north
answer: 2m/s is the average speed of the girl. 2m/s north is her velocity.
Explanation:
sana po makatulong parin yan..