A train 50 m long passes a platform 100 m long in 10 seconds. The speed of the train in m / se

Name: Problem 32, Chapter 15: The Pearson Guide to Objective Arithmetic for Competitive Examinations
Uploaded: 2022-01-08T15:31:36-08:00
Duration: 2 min 29 s
Channel: Vishal Gupta
Description: A train 50 m long passes a platform 100 m long in 10 seconds. The speed of the train in m / sec. is (a) 25 sec. (b) 15 sec. (c) 35 sec. (d) None of these

step 1 Hi, here in this given problem, length of the train that is given as let it be represented by L1

Question

A train $50 \mathrm{~m}$ long passes a platform $100 \mathrm{~m}$ long in 10 seconds. The speed of the train in $\mathrm{m} / \mathrm{sec}$. is (a) $25 \mathrm{sec}$. (b) $15 \mathrm{sec}$. (c) $35 \mathrm{sec}$. (d) None of these

   A train $50 \mathrm{~m}$ long passes a platform $100 \mathrm{~m}$ long in 10 seconds. The speed of the train in $\mathrm{m} / \mathrm{sec}$. is
(a) $25 \mathrm{sec}$.
(b) $15 \mathrm{sec}$.
(c) $35 \mathrm{sec}$.
(d) None of these

The Pearson Guide to Objective Arithmetic for Competitive Examinations

Dinesh Khattar 2nd Edition

Chapter 15, Problem 32

Instant Answer

Solved by Expert Vishal Gupta

01/08/2022

Step 1

The length of the train is $50 \, \text{m}$ and the length of the platform is $100 \, \text{m}$. Therefore, the total distance covered by the train while passing the platform is: \[ \text{Total distance} = \text{Length of train} + \text{Length of platform} = Show more…

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A train $50 \mathrm{~m}$ long passes a platform $100 \mathrm{~m}$ long in 10 seconds. The speed of the train in $\mathrm{m} / \mathrm{sec}$. is (a) $25 \mathrm{sec}$. (b) $15 \mathrm{sec}$. (c) $35 \mathrm{sec}$. (d) None of these

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Key Concepts

Uniform Motion

This concept refers to motion at a constant speed, where the speed remains the same over time. It is defined by the relationship between distance, speed, and time, typically expressed using the formula Speed = Distance / Time.

Effective Distance

When an object such as a train passes an extended structure like a platform, the effective distance covered is the sum of the lengths of both the train and the platform. This total distance is used to determine the speed when divided by the time taken to pass completely.

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