Question

what is the length of the bridge which a man riding 15 km an hour can cross in 5 minutes ​

Answer 1

Answer:

1250 metres

Step-by-step explanation:

Convert the speed into metres per second and multiply it by time in seconds

25/6×5×60=1250

Answer 2

$\Huge\mathbb{\blue{QUESTION-}}$

What is the length of the bridge which a man riding 15 km an hour can cross in 5 minutes

$\Huge\mathbb{\blue{SOLUTION-}}$

$\large\underline{\underline{\sf Given:}}$

• Speed of man (v) = 15km/h
• Time (t) = 5 min = 0.83 h

$\large\underline{\underline{\sf To\:Find:}}$

• Lenght of bridge (s)

$\large\underline{\underline{\sf Formula \: Used:}}$

$\large{\boxed{\sf Speed=\dfrac{Distance}{Time}}}$

$\implies{\sf Distance=Speed × Time}$

$\implies{\sf s = 15×0.83}$

$\implies{\bf 12.45\:km }$

$\Huge\mathbb{\blue{ANSWER-}}$

Lenght of bridge is ${\bf \red{12.45km}}$