Question

6. Gold artefacts unearthed from an archaeological site included a gold statue weighing 21 kg 50 g, 2 necklaces weighing 3.520 kg each, and 3 pairs of earrings weighing 85 g. (a) How heavy is the statue compared to the two necklaces? (b) What is the total weight of the unearthed gold items?​

Answer 1

Answer:

Let m be the mass of the gold bought.

Also, let the acceleration due to gravity at poles and at equator be  gp   and  ge   respectively.

Acceleration due to gravity at poles is slightly greater than that at equator.   

∴  Weight of gold at poles       Wp=mgp 

 Weight of gold at equator       We=mge 

But as      ge<gp     ⟹Wp>We          

Hence the weight of gold is slightly less at equator.

So the friend will not agree with Amit about the weight of gold bought. 

Video Explanation