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yan [13]
1 year ago
5

how much work did the movers do (horizontally) pushing a 41.0- kg crate 10.3 m across a rough floor without acceleration, if the

effective coefficient of friction was 0.60?
Physics
1 answer:
11111nata11111 [884]1 year ago
7 0

W=2485.65 J ,work did the movers do friction force a 41.0- kg crate 10.3 m across a rough floor without acceleration

<h3>What is a basic friction force?</h3>

Two surfaces that come into contact and slide against one another produce a force known as frictional force. Several aspects that influence the frictional force include: The surface texture as well as the amount of force attracting them together have the most effects on these forces.

<h3>What outcomes does friction produce?</h3>

It generates heat, which is useful for warming our bodies or specific areas of any object. Power is also lost as a result. It makes noise during every operation. We are able to walk, run, dance, etc. due to friction.

To know  more about friction force visit:

brainly.com/question/1389727

#SPJ4

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One of the most important aspects of civilization is communication.

People need one another, and in order for them to communicate and understand one another, they must be able to understand one another. The communication cycle explains how the mechanism of message transmission and comprehension works.

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3 0
2 years ago
A TV is rated at 0.1 kW. This TV is used 3 hours per day. How much energy does the TV use per month (in kWh)?
exis [7]

Answer:

<em><u>A.9</u></em><em><u> </u></em><em><u>kWh</u></em>

Explanation:

Tv is rated 0.1 kW

in one day energy used will be 0.1kW ×3hr=0.3kwh

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6 0
3 years ago
How much work is needed to lift a barbell that has a weight of 445 N a total of 2 meters off ground
AleksAgata [21]

Answer:

Total work done to lift barbell = 890 J

Explanation:

Given:

Weight of barbell (F) = 445 N

Height (Distance) = 2 meter

Find:

Total work done to lift barbell = ?

Computation:

⇒ Work = Force(F) × Distance

⇒ Total work done to lift barbell = Weight of barbell × Distance

⇒ Total work done to lift barbell = 445 N × 2 meter

⇒ Total work done to lift barbell = 890 J

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What would be the acceleration in a body moving with uniform velocity and why​
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If a body is moving with uniform velocity, acceleration is zero. So net force acting on it will be also zero. But the body has energy due to its constant motion.

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