A man stands in front of a tall wall and produces a sound. If he...

WAEC 1993

A man stands in front of a tall wall and produces a sound. If he receives the echo of the sound two seconds later, calculate his distance from the wall. (The speed of sound in air is 330ms^-1)

A. 600m
B. 400m
C. 330m
D. 328m
E. 165m

WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now

WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now

Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts

Correct Answer: Option C

Explanation

x = vt/2 = \(\frac {330 \times 2} {2}\) = 660/2 = 330m

Previous Next

Go back to Phy classroom

Report an Error Ask A Question Download App

Contributions ({{ comment_count }})

Please wait...

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

Quick Questions

professor John is the leader of the ________ committee to review the new book? Answer this

1 Answers · English Language · 3 months ago
His contract was ---- because of irregularities in his contract You picked annulled over terminated and I want to know... Answer this

1 Answers · English Language · 2 months ago
whats is the difference between phrase and clause? Answer this

2 Answers · English Language · 3 days ago

A man stands in front of a tall wall and produces a sound. If he...

Correct Answer: Option C

Explanation

Contributions ({{ comment_count }})

Please wait...

Modal title

Report

Block User

{{ feedback_modal_data.title }}

Quick Questions

Post your Contribution

Sign In