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a boy was sitting on a bench until a ball of mass 40kg and speed...

a boy was sitting on a bench until a ball of mass 40kg and speed of 30m/s coming from a height of 150.5m striked the boy of mass 90kg who was sitting on a bench of 60m calculate the energy the boy used? (g=10m/s²).
A.18KJ
B.18000J
C.20200J
D.40500J
E.54000J?
1 Answers Available
Asked by Fhd2k on 10th August, 2022
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JAMB CBT Mobile App 2024 - Free Download
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JAMB CBT Mobile App 2024 - Free Download
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
JAMB CBT 2024 - Candidates, Schools, Centres, Resellers - Get Ready!
JAMB CBT 2024 - Candidates, Schools, Centres, Resellers - Get Ready!
JAMB CBT Mobile App 2024 - Free Download
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995