JAMB CBT Software 2025 - Free Download
JAMB CBT 2025 - Candidates, Schools, Centres, Resellers - Get Ready!

A body of mass 100g moving with a velocity of 10ms-1 collides with a wall. If...

Physics
JAMB 2018

A body of mass 100g moving with a velocity of 10ms-1 collides with a wall. If after collision it moves with a velocity of 2.0ms−1 in the opposite direction, calculate the change in momentum.

  • A. 0.8Ns
  • B. 1.2Ns
  • C. 12.0Ns
  • D. 80.0Ns
JAMB CBT Mobile App 2025 - Free Download
JAMB CBT Software 2025 - Free Download
JAMB CBT 2025 - Candidates, Schools, Centres, Resellers - Get Ready!
Myschool's prices for products & services are going up again in February - Buy what you need now
Correct Answer: Option B
Explanation

Momentum = Mass x Velocity
Change in Momentum = Mass x (change in velocity)
Change in Momentum = Mass x (v - u)
Mass = 100g = 0.1kg
U = 2ms\(^{-1}\)
V = 10ms\(^{-1}\)
Change in momentum = m (v − u)
= 0.1 (2 -(- 10))
= 0.1 (12)
= 1.2Ns

There is an explanation video available below.


Report an Error Ask A Question Download App
JAMB CBT Mobile App 2025 - Free Download
JAMB CBT 2025 - Candidates, Schools, Centres, Resellers - Get Ready!
JAMB CBT Software 2025 - Free Download
Myschool's prices for products & services are going up again in February - Buy what you need now

Explanation Video

JAMB CBT Software 2025 - Free Download
JAMB CBT Mobile App 2025 - Free Download
JAMB CBT 2025 - Candidates, Schools, Centres, Resellers - Get Ready!
Myschool's prices for products & services are going up again in February - Buy what you need now

Contributions ({{ comment_count }})

Please wait...

{{ settings.no_comment_msg ? settings.no_comment_msg : 'There are no comments' }}

Quick Questions

Post your Contribution

Please don't post or ask to join a "Group" or "Whatsapp Group" as a comment. It will be deleted. To join or start a group, please click here

{{ quote.posted_by.display_name }}
{{ settings.form_textarea_description }}
 
JAMB CBT Software 2025 - Free Download
JAMB CBT 2025 - Candidates, Schools, Centres, Resellers - Get Ready!
JAMB CBT Mobile App 2025 - Free Download
JAMB CBT 2025 - Candidates, Schools, Centres, Resellers - Get Ready!
Myschool's prices for products & services are going up again in February - Buy what you need now
JAMB CBT Mobile App 2025 - Free Download
JAMB CBT Software 2025 - Free Download