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➷ A dry cell changes chemical energy into electrical energy.
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➶ Hope This Helps You!
➶ Good Luck (:
➶ Have A Great Day ^-^
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Answer: A,B, and E
Explanation: Just checked I got them right:)
Radio waves are the waves with the lowest energy in the electromagnetic spectrum. X-rays and gamma rays are the highest. Sound is not part of the electromagnetic spectrum.
Answer:
the answer is
Explanation:For equilibrium
Weight = Tension
mg=T
∴T=4×3.1π=12.4πN (as can be inferred from the question)
Y=
△l/l
T/A
=
1000
0.031
/20
12.4π/π(
1000
2
)
2
=
4×0.031
12.4×20×1000×(1000)
2
=2×10
12
N/m
2
<em>≈ 0.26 cm³</em>
<em>Hi there !</em>
<em>Gold is a metal with a very high density.</em>
<em>The density of gold is higher than that of lead.</em>
<em>Density(gold) = 19300 kg/m³ = 19.3 g/cm³</em>
<em />
<em>19.3 g ............ 1 cm³</em>
<em>5 g ..................x cm³</em>
<em>x = 5g×1cm³/19.3g = 0.2590 cm³ ≈ 0.26 cm³</em>
<em>Good luck ! </em>
