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Lera25 [3.4K]
3 years ago
13

If two arm wrestlers exert a force on each other’s hands, and the hands don’t move, the forces must be *

Physics
1 answer:
jeyben [28]3 years ago
3 0
Balanced. They’re equally as strong so as their arm wrestling, neither of the men’s hands go down. Because they’re equally/balanced as strong.
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What is difference between kilowatt and kilowatt hour?
Scrat [10]
Those two units can be compared to a 'mile per hour' and a 'mile per hour - hour'.
One is a rate.  The other is a quantity, after maintaining a rate for some time.

-- 'Joule' is a unit of energy.  It's the amount of work (energy) you do
when you push with a force of 1 newton though a distance of 1 meter.
Lifting 10 pound of beans 3 feet off the floor takes about 40.7 joules of energy.

-- 'Watt' is a <u><em>rate</em></u> of using energy . . . 1 joule per second.
If you lift 10 pounds 3 feet off the floor in 1 second, your <em>power</em> is 40.7 watts.

-- 'Watt-second' is the amount of energy used in one second,
at the rate of 1 joule per second . . . 1 joule.

-- 'Watt-hour' is the amount of energy used in one hour,
at the rate of 1 joule per second . . . 3,600 joules.

-- 'Kilowatt' is a bigger <em>rate</em> of using energy . . . 1,000 joules per second.

-- 'Kilowatt - second' is the amount of energy used in one second,
at the rate of 1,000 joules per second . . . 1,000 joules .

-- 'Kilowatt - hour' is the amount of energy used in one hour,
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Depending on where you live, 3,600,000 joules of energy bought
from the electric company costs something between 5¢ and 25¢.


6 0
2 years ago
Read 2 more answers
In freefall, heavier objects fall with a greater acceleration than lighter objects.
Rom4ik [11]

Answer:

That is not true all objects fall at the same speed excepts things like feathers or paper.

6 0
3 years ago
Read 2 more answers
A backpacker walks for 3 days in the mountains and covers 16 km. How fast was he walking in km/hr?
Fudgin [204]

Answer:

0.22 km/h

Explanation:

72 hours in 3 days

16/72 = 0.222222222

round to 0.22 km/h

For future reference, Distance/Time= Speed

5 0
3 years ago
Describe how substance move from one state to another
Mekhanik [1.2K]
The temperature rises until the water reaches the next change of state — boiling. As the particles move faster and faster, they begin to break the attractive forces between each otherand move freely as steam — a gas. The process by which a substance moves from the liquid state to the gaseousstate is called boiling.
4 0
3 years ago
Read 2 more answers
What distance does a biker travel if he rides at a constant speed or 22 m/s for 45 seconds?
vredina [299]

Answer:

it would be 990 m.

Explanation:

22 m/s x 45 seconds.

5 0
2 years ago
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