Question

The width of the reved is 5oo m. A flyover has to be built over it to cross this river easily Draw the picture given below in your botebook and draw a flyover on it. Estimate the length of the flyover to be built on this river.
​

Answer 1

Answer:sorry

Step-by-step explanation:

I don't know

Answer 2

Answer:

n 3

Step-by-step explanation:

Let V

r

be the velocity of current of river and V

b

be the velocity of the boat.Time taken to cross the river:

t=

2

3

×60

5n

h

8t=

(0.5)

2

+(4t)

2

8t=

0.25+16t

2

64t

2

=0.25+16t

2

t

2

=

48

0.25

t=

48

0.25 =

2

3×60

5n

n=3

please make me brainlists