An electron and a proton are detected in a cosmic ray experiment, the first with kinetic energy 10 keV, and the second with 100 keV. Which is faster, the electron or the proton? Obtain the ratio of their speeds, (electron mass = 9.11 x 10-31 kg, proton mass = 1.67 x 10-27 kg, 1 eV= 1.60 x 1019J).

Asked by Last Modified  

2 Answers

Learn Physics

Follow 3
Answer

Please enter your answer

Teaching in Delhi From Last 6 Years

answer image
Comments

Electron The ratio is 13.74
Comments

Related Questions

What is terminal velocity
Terminal velocity is the fastest speed something can fall through the air. It happens when the force pulling it down (gravity) is balanced by the force pushing up (air resistance), so it doesn’t...
Profile Photo
Kishore
Sameer went on his bike from Delhi to Gurgaon at a speed of 60km/hr and came back at a speed of 40km/hr. What is his average speed for entire journey?
To find the average speed, you need to know the formula of average speed. The avg speed 0= 2 d / (t1+ t2) = 2 v1.v2/(V1 + V2). Just substitute the value.
Profile Photo
Gowre

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

Ask a Question

Related Lessons


How to feel conservation of momentum practically ?
Lets say you are standing on a frictionless platform of ice. And you are holding a 10kg bag . You cannot walk on this platform as there is no frction , you will slide. Now lets say you want to move in...
A

Arun Pratap Singh

0 0
View Comments0



Properties of Fluid Overview
https://vz-3ad30922-ba4.b-cdn.net/2e409992-27a2-4b9c-b032-1d32d1d96f2d/play_480p.mp4
Profile Photo

Recommended Articles

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 >

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 >

While schools provide formal education to the children, the home is where they start learning about things informally. Parents think that schools will take the initiative to educate their children. Well, this is partially true, as parents also play an essential role in bringing up their child. For the development of particular...

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