Ch2br-ch2br +kmno4 and naoh solution =a + hydrolysis =b what will be a and b​

write a paragraph on in your life as simple and are complicated can you remove the complicated

explanation:

we have

length of train = 1000 metre

speed of train = 30 metre per second in east direction

speed of bird = 20 metre per second in west direction

a.t.q.

=> vr = vt + vb

=> vr = 20 + 30

=> vr = 50 metre per second

now we know that

speed = distance \ time

so time = distance \ speed

=> time = 1000 \ 50

=> time = 20 seconds

therefore

bird will cross train in 20 seconds