A student dips a strip of metal into a liquid. Which is evidence that only a physical change has occurred?
1 answer:
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Answer:
Δx for Bugatti = 27.9m
Δx for Saleen = 32.6m
Explanation:
Answer:
option A
Explanation:
given,
height of the drop of stone = 9.44 m
speed of the stone = ?
As the stone is dropped the energy of the stone will be conserved.
using conservation of energy.
Potential energy = Kinetic energy
v = 13.60 m/s
Hence, the correct answer is option A