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vesna_86 [32]
3 years ago
10

An object which is dropped from a certain height has zero (0) initial velocity.

Physics
1 answer:
gavmur [86]3 years ago
8 0

Answer:

0 m/s

Explanation:

if an object is dropped we know the initial velocity is zero when in free fall

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What are the two most common ways to produce hydrogen gas used in fuel cells?
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Answer:

Steam-methane reforming

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Electrolysis of water involves splitting of water through application of electric current to give Hydrogen and Oxygen gas.

2 H2O(l) → 2 H2(g) + O2(g)

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An experiment in which alpha particles were used to bombard thin sheets of gold foil led to the conclusion that an atom is compo
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Answer:

a small dense nucleus with positive charge and the nucleus is surrounding by orbiting electrons.

Explanation:

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Find the maximum wavelength of photons that can generate carriers by being absorbed in the following semiconductors (respective
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Answer:

For ZnTe  the maximum wavelength is 519.17nm

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For InP the maximum wavelength is 925.9 \ nm

Explanation:

The explanation is shown on the first uploaded image

5 0
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A period of abnormally high emotion and activity is called??
e-lub [12.9K]
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6 0
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A hair curling iron uses 13 watts of power, how long must it operate to do 1040 joules of work
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t = 1040 / 13
t = 80 mins
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3 years ago
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