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3 years ago

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In an oil drop experiment, a drop with a weight of 1.9 x 10-14 N was suspended when the potential difference between 2 plates th

at were 63 mm apart was 780 V. What was the charge on the drop?

1 answer:

AlekseyPX3 years ago

5 0

Answer:

Study More You will get it :L

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Convert the following as instructed:

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3.4m
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172800s
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The particle in the atom with a negative charge is the ______<br> Answer here

NISA [10]

Answer:

Explanation:

The electron has a negative charge. Proton is positive and neutron is neutral.

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How many minutes would it take a light wave to travel from the planet Venus to Earth? (Average distance from Venus to Earth = 28

Gnesinka [82]

Answer:

$t=2.51min$

Explanation:

The time taken by the light to travel a given distance is defined as:

$t=\frac{d}{c}$

Here c is obviously the speed of light. Now we convert the average distance form Venus to Earth to meters:

$28*10^{6}mi*\frac{1609.34}{1mi}=4.51*10^{10}m$

Finally, we calculate the minutes taken by the light to travel from Venus to Earth:

$t=\frac{4.51*10^{10}m}{3*10^8\frac{m}{s}}\\t=150.33s*\frac{1min}{60s}=2.51min$

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3 years ago

A supersonic jet, with a mass of 21,000 kg, departs from its home airbase with a velocity of 400 m/s due east. What is the jet’s

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Answer:

Momentum P is 840000kgm/s or 8.4 × 10^6

Explanation:

Data :

Mass = 21000 kg

Velocity = 400 m/s

So momentum is given as

P = mv

P = 21000×400

P = 8400000 kgm/s

P = 8.4 × 10^6

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An elephant kicks a 2.5 kg rock that is initially at rest. The

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Explanation:

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