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09.10.2020 •
Physics
Alex can ski 960 meters in 5 minutes. If his skiing speed is increased by 20 m/min, how many meters can he cover in 10 minutes?
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Ответ:
The distance covered by Alex in 10 minutes is 2120 meters.
To calculate the distance covered, First, we calculate the initial speed of Alex.
⇒ Formula:
S = distance(d)/time(t)S = d/t Equation 1From the question,
⇒ Given:
d = 960 metert = 5 munites⇒ Substitute these values into equation 1
S = 960/5S = 192 m/min.⇒ If his skiing speed is increased by 20 m/min.
New speed(S') = 192+20 = 212 m/min.New time(t') = 10 minutes⇒ Distance covered in 10 munites is,
d = S't'd = 212(10)d = 2120 meter.Hence, the distance covered by Alex in 10 minutes is 2120 meters.
Learn more about distance covered here: link
Ответ: