Question

Лысыця женеться за косулею.Швыдкисть лысыци 11м./сек,а швыдкисть косули -9м./сек.зараз миж нымы 300м.На який видстани вид косули буде лысыця через 40сек.?через який час война наздожене косулю?

Answer 1

1) ск. м за 40 с пробіжить косуля?
9*40=360м
2) ск м за 40с пробіжить лисиця?
11*40=440м
3) яка відстань між ними буде через 40 с?
300 - (440-360) = 220 м.
4) на ск. швидше біжить лисиця? 11-9=2м/с
5) коли наздожене?
220м / 2 м/с= 110 сек

Answer 2

Calculating the Distance and Time for the Fox to Catch the Deer

To calculate the distance and time it will take for the fox to catch the deer, we can use the formula:

Distance = Speed × Time

Given: - Fox's speed = 11 m/s - Deer's speed = 9 m/s - Initial distance between them = 300 m - Time = 40 seconds

First, we can calculate the distance the deer will have covered in 40 seconds: Distance covered by deer = Speed of deer × Time Distance covered by deer = 9 m/s × 40 s Distance covered by deer = 360 m

Now, we can calculate the distance between the fox and the deer after 40 seconds: Remaining distance = Initial distance - Distance covered by deer Remaining distance = 300 m - 360 m Remaining distance = -60 m

The negative value indicates that the deer has moved beyond the initial distance, and the fox has not caught up with it yet.

To find out how long it will take for the fox to catch the deer, we can use the formula: Time = Distance / Relative speed

Given: - Relative speed = Fox's speed - Deer's speed - Relative speed = 11 m/s - 9 m/s - Relative speed = 2 m/s

We can calculate the time it will take for the fox to catch the deer: Time = Remaining distance / Relative speed Time = -60 m / 2 m/s Time = -30 s

The negative time value indicates that the fox will not catch the deer within 40 seconds.

Conclusion

Based on the given speeds and initial distance, the deer will be ahead of the fox by 60 meters after 40 seconds. The fox will not catch the deer within 40 seconds, and the deer will continue to move away from the fox.