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Mrac [35]
3 years ago
14

Work and how does it measure energy?

Physics
2 answers:
PSYCHO15rus [73]3 years ago
5 0
The answer to this question is that work is defined as the change in energy. It measures the change in energy. W = ΔE.
marshall27 [118]3 years ago
3 0
Energy and work are measured in joules, more commonly seen as a “J”
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A farm tractor tows a 3300-kg trailer up a 14" incline with a steady speed of 2.8 m/s. what force does the tractor exert on the
gladu [14]

The force exerted by gravity is:

F = m g

F = 3300 kg * 9.8 m/s^2

F = 32,430 N

 

The force exerted due to the inclined plane is:

F tractor = 32,430 N * sin 14

<span>F tractor = 7,823.75 N      (answer)</span>

7 0
3 years ago
Which would you rather have generating electricity for your city: nuclear fission reactions (traditional nuclear power), nuclear
Arada [10]

Answer:

Fossil Combustion Reactions

Explanation:

It's more efficient (I'll edit later)

4 0
3 years ago
A metal container with the oil weigh
MA_775_DIABLO [31]

Answer:

16 kg

Explanation:

M - container

m - oil mass

by definition of density ,

relative density is the ratio of the density of a substance to the density of water.

relative density = density/ density of water

density of oil = 1.2*1000 kgm⁻³  = 1200 kgm⁻³

1 Litre =10⁻³ m³

oil volume = 80 *10⁻³ m³

mass of oil = density * volume

                   = 1200*80*10⁻³

                   = 96 kg

Mass of container + mass of  oil =112

mass of container = 112 - 96

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7 0
3 years ago
Help please due by 3:00
FrozenT [24]

Answer:

  zero

Explanation:

Acceleration is a measure of the rate of change of velocity. If the velocity is unchanging, its rate of change is zero.

The acceleration is zero.

8 0
3 years ago
Extinction of a species is most likely to occur as a result of __________.
sergejj [24]
Extinction of a species is most likely to occur as a result of "<span>environmental changes"

In short, Your Answer would be Option D

Hope this helps!</span>
8 0
3 years ago
Read 2 more answers
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