Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping

Roja swathi please explain how to attend the motion of train problems. Que problems1-a train 280 mts long is running at a speed of 42km/hr.How much time will it take to pass a man standing on a platform. Que problem 2 a train 350 mtrs long crosses an electric pole in 28 secs. find the speed of the train in km/hr please explain clearly because i am a slow understander.

Roja  swathi please explain
how to attend the motion of train problems.
 
Que problems1-a train 280 mts long is running at a speed of 42km/hr.How much time will it take to pass a man standing on a platform.
 
Que problem 2 a train 350 mtrs long crosses an electric pole in 28 secs. find the speed of the train in km/hr
 
please explain clearly because i am a slow understander.

Grade:8

1 Answers

Harsh Patodia IIT Roorkee
askIITians Faculty 907 Points
5 years ago
Convert Speed of train intom/s 42km/hr= 42*5/18 m/s =35/3 m/s
Time taken to cross men will length of train/speed of train = 280/35/3 = 24sec.

For getting speed it will length of train/time = 350/28 m/s for speed in km/hr it will be 350*18/28*5 =90km/hr

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free