Question

ПОМОГИТЕ ДАМ 10 БАЛЛОВ Harun and Kuna competed in a 200-m race. Harun ran at a constant speed of 5 m/s. Kuna ran at a constant speed of 8 m/s. (a) Find the time Kuna took to reach the finishing line. (b) How far was Harun from Kuna when Kuna reached the finishing line?​

Answer 1

(a) To find the time Kuna took to reach the finishing line, we need to know the distance of the race. Let's assume it is 200 meters, since it is not specified in the problem.

Kuna's speed = 8 m/s
Distance of race = 200 m

Time = Distance / Speed
Time taken by Kuna = 200 / 8
Time taken by Kuna = 25 seconds

Therefore, Kuna took 25 seconds to reach the finishing line.

(b) We can use the formula Distance = Speed x Time to find how far Harun was from Kuna when Kuna reached the finishing line.

Harun's speed = 5 m/s
Time taken by Kuna = 25 seconds

Distance covered by Harun in 25 seconds = Speed x Time
Distance covered by Harun = 5 x 25
Distance covered by Harun = 125 meters

Therefore, Harun was 125 meters away from Kuna when Kuna reached the finishing line.

Answer 2

(a) To find the time Kuna took to reach the finishing line, we can use the formula:

Time = Distance / Speed

The distance Kuna needs to cover is 200 meters, and his speed is 8 m/s. Plugging these values into the formula:

Time = 200 m / 8 m/s Time = 25 seconds

So, Kuna took 25 seconds to reach the finishing line.

(b) To find the distance between Harun and Kuna when Kuna reached the finishing line, we need to calculate the distance Harun traveled in 25 seconds.

Distance = Speed × Time

Harun's speed is 5 m/s, and the time is 25 seconds. Plugging these values into the formula:

Distance = 5 m/s × 25 s Distance = 125 meters

Therefore, Harun was 125 meters away from Kuna when Kuna reached the finishing line.