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  4. 4. A lump of paraffin wax with a piece of iron embedded in it weighe...

4. A lump of paraffin wax with a piece of iron embedded in it weighe...

4. A lump of paraffin wax with a piece of iron embedded in it weighe 1.51N in air and 0.43N when completely immersed in water. Calculate the mass of iron in it. (Densities: iron= 7g/cm³, wax=0.95g/cm³, water= 1g/cm³)
A. 0.45kg
B. 0.23kg
C. 0.06kg
D. 0.071kg?
In Physics
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Asked by Oghenemaro on 9th April, 2022
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
Join your school's WhatsApp group
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Join your school's WhatsApp group
NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789