Question

3. The Leaning Tower of Pisa is 45 m high. A mass of 4 kg is dropped from the top. Calculate its
potential energy at the top.​

Answer 1

Answer:

H=45m

m=4kg

potential energy (pE)=mgH

P.E=4×9.8×45=1764kgm³/sec²=1764Nm=1764J.

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Answer 2

Explanation:

given:-

height = 45m

mass = 4 kg

g= 9.8m³/s

potential energy = mgh

= 4 ×9.8 × 45

= 1744 joule

Therefore potential energy at the top is 1744 joules

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