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Cloud [144]
3 years ago
14

6. question is in the picture

Physics
1 answer:
Harlamova29_29 [7]3 years ago
8 0
The answer is c you got to look for answers that make sense
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Which means for obtaining hydrogen from water would require the most energy??
Flauer [41]
I think the correct answer would be to electrolyze water (run an electric current through it) to decompose it into hydrogen and oxygen. Assuming 100% efficiency, it is said that it needs about 40kWh per kilogram of water to fully decompose it.
8 0
3 years ago
What is the definition of Cubit
disa [49]

Answer:

See below.

Explanation:

Cubit is a unit of length based on the length of the forearm from the elbow to the tip of the middle finger and usually equal to about 18 inches (46 centimeters).

It is an ancient unit of length used in ancient Egypt and is also known as "ancient Egyptian royal cubit."

Other similar units of measurements are displayed in the image below. Thanks!

7 0
2 years ago
when the driver of a car applies the brakes a force of 4000N brings the car to a stop over a distance of 50m.calculate the work
Dimas [21]

Answer:

W = F*d

W = 4000*50

W = 200000J

W = 200KJ

4 0
3 years ago
What is the velocity in meters per second of a runner who runs exactly 110 m toward the beach in 72 seconds.
KATRIN_1 [288]

1.53 m/s toward the beach

Explanation:

The magnitude of the velocity of the runner is given by:

v=\frac{d}{t}

where

d is the displacement of the runner

t is the time taken

In this case, d=110 m and t=72 s, so the velocity of the runner is

v=\frac{110 m}{72 s}=1.53 m/s

Velocity is a vector, so it consists of both magnitude and direction: we already calculate the magnitude, while the direction is given by the problem, toward the beach.

3 0
2 years ago
Read 2 more answers
Everything is perished.........(is it,isn't it, aren't they, are they​
andrey2020 [161]

Answer:

everything is perished isn't it?

hope it helps.

8 0
3 years ago
Read 2 more answers
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