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Aleonysh [2.5K]
3 years ago
14

13. How much work does a 35 N force do to lift a potted plant from the floor to a shelf 6 m high?

Physics
1 answer:
Nataly_w [17]3 years ago
8 0

Answer:

W= 210 N

Explanation:

Just use work = Fparallel*d

W= 35*6

W= 210 N

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Answer:

81:256.

Explanation:

Let T denote the absolute temperature of this object.

Calculate the value of T before and after heating:

T(\text{before}) = 27 + 273 = 300\; \rm K.

T(\text{after}) = 127 + 273 = 400\; \rm K.

By the Stefan-Boltzmann Law, the energy that this object emits (over all frequencies) would be proportional to T^4.

Ratio between the absolute temperature of this object before and after heating:

\displaystyle \frac{T(\text{before})}{T(\text{after})} = \frac{3}{4}.

Therefore, by the Stefan-Boltzmann Law, the ratio between the energy that this object emits before and after heating would be:

\displaystyle \left(\frac{T(\text{before})}{T(\text{after})}\right)^{4} = \left(\frac{3}{4}\right)^{4} = \frac{81}{256}.

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3 years ago
The sense of equilibrium responds to movements of the head. It is divided into two types--static and dynamic equilibrium. Descri
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Answer:

nodding of head ,yes- static equilibrium

nodding of head, no- dynamic equilibrium.

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static equilibrium monitors head position when body is not moving .

dynamic equilibrium monitors the angular or rotational movements of the head when body moves.

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What heat transfer are uv rays from the sun. Radiation, conduction, or convection
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Answer:

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3. Identify which of the following probably would not have an effect on the climate of a region:
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Calculate the number of moles in 100g of water​
dsp73

5.55 mol H2O

Explanation:

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100 g H20 × (1 mol H2O/18.01528 g H20)

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