There is a bell at the top of a tower that is 45m high. The bell weighs 19kg. The bell has
1 answer:
Answer:
Hi, there!
The bell has 8550 J energy.
The Correct Answer Is Potential energy
workdone by the gravitational force = 190 × 45 × (-1)
= -8550 J
we know, potential energy = negative of workdone
= -(-8550 J) = 8550 J
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Surface area = 50 x 30 = 150
Per cm of height 150 cubic cm needed
7cm height needed
150 x 7 = 1050 cubic cm needed
