UrbanPro

Take Class 11 Tuition from the Best Tutors

  • Affordable fees
  • 1-1 or Group class
  • Flexible Timings
  • Verified Tutors

Search in

A railway car of mass 20 tonne moves with an initial speed of 54 km h-1. On applying brakes, a constant negative acceleration of 0.3 ms-2 is produced. (a) What is the braking force acting on the railway car? (b) In what time it stops?

Asked by Last Modified  

3 Answers

Learn Physics

Follow 2
Answer

Please enter your answer

Tutor

F/W=a/g Given Mass 20 tonnes= 20X1000X9.81Kgis weight a=0.3 /s2 g=9.81 F=6000Kgf
read more

F/W=a/g        Given Mass 20 tonnes= 20X1000X9.81Kgis weight

                                                       a=0.3 /s2

g=9.81

 

F=6000Kgf

read less
Comments

Teacher

F/W=a/g Given Mass 20 tonnes= 20X1000X9.81Kgis weight a=0.3 /s2 g=9.81 F=6000Kgf
read more

F/W=a/g        Given Mass 20 tonnes= 20X1000X9.81Kgis weight

                                                       a=0.3 /s2

g=9.81

 

F=6000Kgf

read less
Comments

Teacher

F/W=a/g Given Mass 20 tonnes= 20X1000X9.81Kgis weight a=0.3 /s2 g=9.81 F=6000Kgf V=U+at uwill get time
read more

F/W=a/g        Given Mass 20 tonnes= 20X1000X9.81Kgis weight

                                                       a=0.3 /s2

g=9.81

 

F=6000Kgf      V=U+at  uwill get time

read less
Comments

View 1 more Answers

Related Questions

What is Viscosity????

The property of fluid which ofgers the resistance between two adjacent layers
Rakesh Chandra
derivation of v2/r=ac
It can be obtained if one knows about the terms involved in centripetal accelaration
Indra
0 1
9

Sun: Largest source of energy is made up of?

Organic molecules.hydrocarbons.fossil fuels.hydrogen and carbon mainly.
Deepika T.
how many type of rcc beam are there?
It is of four types. 1.Simply supported beam or simple beam 2. Semi continuous beam 3. Continuous 4. Cantilever beam
Rahul

Does fire's flame have any weight?

Yes, it has weight, but less than air's weight.
Rakesh

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

Newton’s Laws Of Motion
Newton’s first law of motion states that a body continues to be in a state of rest or of uniform motion in a straight line unless it is acted upon by a net external force. Newton’s second...



Tension in a String!
Enter Learning Tip Content

Laws of Motion example application example
This video explains using laws of motion for the case of two objects where sliding has to be avoided.

Recommended Articles

Appearing for exams could be stressful for students. Even though they might have prepared well, they could suffer from anxiety, tension etc. These are not good for their health and mind. However, following a few exam preparation tips can save them from all these and help them to score good marks. Let’s find out all...

Read full article >

E-learning is not just about delivering lessons online. It has a much broader scope that goes beyond manual paper or PowerPoint Presentations. To understand the reach of E-learning and how the whole process works in developing the Educational system, we will discuss a few points here. Let us find out how this new learning...

Read full article >

Quality education does not only help children to get a successful career and life, but it also hugely contributes to society. The formal education of every child starts from school. Although there are numerous schools, parents find it challenging to choose the right one that would fit their child. It is difficult for them...

Read full article >

Learning for every child starts from a very young age. While the formal methods include school curriculums and private lessons, the informal methods include dancing, music, drawing, and various fun-filling activities. Playing games and practising these types of activities helps the children get out of boredom and...

Read full article >

Looking for Class 11 Tuition ?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you
X

Looking for Class 11 Tuition Classes?

The best tutors for Class 11 Tuition Classes are on UrbanPro

  • Select the best Tutor
  • Book & Attend a Free Demo
  • Pay and start Learning

Take Class 11 Tuition with the Best Tutors

The best Tutors for Class 11 Tuition Classes are on UrbanPro

This website uses cookies

We use cookies to improve user experience. Choose what cookies you allow us to use. You can read more about our Cookie Policy in our Privacy Policy

Accept All
Decline All

UrbanPro.com is India's largest network of most trusted tutors and institutes. Over 55 lakh students rely on UrbanPro.com, to fulfill their learning requirements across 1,000+ categories. Using UrbanPro.com, parents, and students can compare multiple Tutors and Institutes and choose the one that best suits their requirements. More than 7.5 lakh verified Tutors and Institutes are helping millions of students every day and growing their tutoring business on UrbanPro.com. Whether you are looking for a tutor to learn mathematics, a German language trainer to brush up your German language skills or an institute to upgrade your IT skills, we have got the best selection of Tutors and Training Institutes for you. Read more