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earnstyle [38]
3 years ago
13

a man exerts 700 newtons of force to move a piece of furniture 4 meters. if it takes him 2 seconds to move the furniture, how mu

ch power does it require?
Physics
1 answer:
Jlenok [28]3 years ago
5 0

                               Work = (force) x (distance)

The work he did:    Work = (700 N) x (4m)  =  2,800 joules

The rate at which
he did it (power):    Work/time =  2,800 joules/2 sec

                                                =  1,400  joules/sec

                                                =  1,400 watts

                                                =  1.877... horsepower (rounded)
 
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Can track storms at different altitudes
OlgaM077 [116]

<em><u>The radars, weather satellites and the several highly accurate barometers are used to track the different storms at different altitudes. </u></em>

Further Explanation:

The storms at different altitudes are generated due to pressure variation in the different regions of the air. This pressure variation in the air is the main cause of the formation of the storms.

These storms can be easily tracked by means of the Radars and other weather forecasting satellites which keep a track of the variation in the trends of the pressure and temperature in the particular regions.

The trends of the strength of the winds can also predict a lot about the direction of motion of the winds. The highly accurate barometers are used to measure the strength of the storms originating at the different altitudes.

Thus, <em><u>the radars, weather satellites and the several highly accurate barometers are used to track the different storms at different altitudes. </u></em>

<em><u> </u></em>

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Answer Details:

Grade: High School

Subject: Physics

Chapter: Pressure

Keywords:

Storms, weather forecast, satellite, barometer, radars, tracking a storm, different altitudes, pressure variations, temperature, winds, measure.

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