UrbanPro
Login Ask & Answer Success Stories Paid Courses Free Classes Tuition & Classes Fees Write a Review All Categories Help Center
Post your Learning Need Signup as a Tutor
✕

Popular Cities

Bangalore

Hyderabad

Delhi

Mumbai

Chennai

Pune

Kolkata

Gurgaon

Ahmedabad

Jaipur

Noida

✕

Take Class 11 Tuition from the Best Tutors

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

Book a Free Demo

Class 11 Tuition > Learn Physics > If a car of mass 1000 kg accelerates uniformly from...
✕

Search in

If a car of mass 1000 kg accelerates uniformly from rest to a velocity of 54 km/h in 5 s, then determine its acceleration and kinetic energy gained by it.

Asked by Last Modified  

2 Answers

Learn Physics

Follow 2
Answer

Please enter your answer

m = 1000kg u(initial velocity) = 0 ; as the body starts from rest . v( final velocity ) = 54 km/h = 15 m/s t(time) = 5 sec using equation of motion , v = u + at , or 15 = 0 + a*5, or a = (15-0) / 5 so , a = 3 m /s^2 now , we know kinetic energy = 1/2 M V^2 so...
read more
m = 1000kg u(initial velocity) = 0 ; as the body starts from rest . v( final velocity ) = 54 km/h = 15 m/s t(time) = 5 sec using equation of motion , v = u + at , or 15 = 0 + a*5, or a = (15-0) / 5 so , a = 3 m /s^2 now , we know kinetic energy = 1/2 M V^2 so K.E = 1/2 * 1000 *15 *15 = 112500 Joules . read less
Comments
Dislike Bookmark

Tutor

mass=1000kg u=0km/hr=0m/s v=54km/hr=15m/s work= change in kinetic energy = 1/2xmxv^2 - 1/2xmxu^2 = 1/2x1000x15^2 - 0 =112500 J power = work/time = 112500/5 = 22500 J/s=22.5 kw from first eqution of motion v=u+at u=0 therfore v=at 15=5a a=3m/s^2 from second equation of motion s=ut+/2at^2 0+1/2*3*5*% s=37.5...
read more
mass=1000kg u=0km/hr=0m/s v=54km/hr=15m/s work= change in kinetic energy = 1/2xmxv^2 - 1/2xmxu^2 = 1/2x1000x15^2 - 0 =112500 J power = work/time = 112500/5 = 22500 J/s=22.5 kw from first eqution of motion v=u+at u=0 therfore v=at 15=5a a=3m/s^2 from second equation of motion s=ut+/2at^2 0+1/2*3*5*% s=37.5 m now v avg=dsance/time=37.5/5=7.5 m/s gaain in KE=KE fina=KE initial =1/2mv^2-1/2mv2^2 =1/2*1000*15^=112.5kj read less
Comments
Dislike Bookmark

Related Questions

Why it is easier to roll a stone up a sloping road than to lift it vertical upwards?
it is easier to roll up a stone on sloping road than lifting vertically because while lifting vertically the work is done against its weight "mg" but when it is rolled up a slope then there is a component...
Aishwarya
0 0
8

Does Newton's 2nd law of motion contain the 1st law as a special case?
Yes, as per newton's second law, F=ma. Hence, if F=0, then a=0, which is nothing but the essence of the first law, which states that everybody continues to be in its state of rest or of its uniform motion...
Souradeep

What is modern quantum mechanics 
Modern quantum mechanics is a fundamental branch of physics that provides a comprehensive framework for understanding the behavior of matter and energy at the atomic and subatomic level. It is a theoretical...
Hyperbola
Action and reaction forces do not balance each other. Why?
Let's say you push the wooden block, it is true the the block pushes you back with the same force. However, this does not mean that the force that you are exerting on the block has got cancelled. The wooden...
Anurag
0 0
5
Is it possible, the displacement can be greater than the distance travelled by an object?
No, aa for euclidean space, the displacement is always greater than or equal to the distance travelled as goes by it's definition that it is the shortes way possible to reach from point A to point B. And...
Vidyarajeev
0 0
9

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

Ask a Question

Related Lessons

Energy - Mass Relationship
Do you know that whenever energy is added to the system, the system gains mass? Is there any example of conversion of energy to mass and vice - versa? Yes. A spring's mass increases whenever it is put...

Vidyashakti Academy

0 0
0
Archimede's Principle
Archimedes' principle: principle that states that a body immersed in a fluid is buoyed up by a force equal to the weight of the displaced fluid. The principle applies to both floating and submerged bodies...

Shabeer N.

1 0
0
Tangential and Radial Acceleration

Vishesh N.

0 0
0
Rotation

Vishesh N.

0 0
0
Newton's Laws
Newton's Laws -- 1st Law -- the body is in rest until the experience any type of external force. I.e F = 0. Consider a following. Example. Newton's 2nd law-- when we apply any type of force...

Sachin Kakaso Kumbhar

0 0
0

Recommended Articles

5 Engaging Activities For Children To Get...

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 >

The Trend of E-learning and it’s Benefits

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 >

How To Choose The Right School For Children?

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 >

The Rising Problems in Indian Government School

With the mushrooming of international and private schools, it may seem that the education system of India is healthy. In reality, only 29% of children are sent to the private schools, while the remaining head for government or state funded education. So, to check the reality of Indian education system it is better to look...

Read full article >

Find Class 11 Tuition near you
Class 11 Tuition in Delhi
Class 11 Tuition in Bangalore
Class 11 Tuition in Hyderabad
Class 11 Tuition in Kolkata
Class 11 Tuition in Chennai
Class 11 Tuition in Mumbai
Class 11 Tuition in Gurgaon
Class 11 Tuition in Pune
Class 11 Tuition in Noida
Class 11 Tuition in Ghaziabad

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

ThinkVidya Learning Pvt Ltd © 2010-2025 All Rights Reserved