Physics
30.10.2022 21:35
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10. Ahmad drives 60 km from his house to the petrol station in a car moving at a
10. Ahmad drives 60 km from his house to the petrol station in a car moving at a constant speed of
60 km/h. Then he moves the same distance to a shop at a constant speed of 120 km/h. The
average speed for the entire trip from his house to the shop is
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average speed for the entire trip from his house to the shop is
kobiemajak
4,5(95 marks)
Explanation:
Average speed is distance traveled over time taken to do so
home to station
d = 60 km
t = 60 km/60 km/hr = 1 hr
station to shop
d = 60 km
t = 60 km / 120 km/hr = ½ hr
speed
s = (60 + 60) / (1 + ½) = 120/1.5 = 80 km/h
Jenniferlam12
4,7(76 marks)
below
Explanation:
no we need our body for physical fitness
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