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CaHeK987 [17]
3 years ago
10

1. A material that is malleable and conducts electricity is most likely : (A) wood (B) ice (C) a metal (D) motor oil

Physics
1 answer:
zzz [600]3 years ago
5 0

A material that is malleable and conducts electricity is most likely is a metal. The answer is letter C.

The physical property that makes wax good for making sculpture molds is the melting point. The answer is letter D.

Filtration can be used to separate mixtures based on the size of their particles. The answer is letter D.

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Glaciers begin with snowfall building up and __________________ the ice. (Choose the best answer)
Allisa [31]

Answer:

compacting

Explanation:

i don't think there is very much explanation, the snow falls and compacts the ice to become giant lol

4 0
3 years ago
IS
jarptica [38.1K]

Answer:

5.03

Explanation:

trust me

7 0
2 years ago
Looking straight downward into a rain puddle whose surface is covered with a thin film of gasoline, you notice a swirling patter
Ivanshal [37]

Answer:

 

Explanation:

Point beneath you forms a beautiful iridescent green

refractive index of Gasoline n=1.38

Wavelength of Green light is \lambda =540\ nm

Here light first traverse from air(n=1) to gasoline , it reflects from  front surface of gasoline(n=1.38) so it suffers a phase change. After this light reflect from rear surface of gasoline and there is a decrease in refractive index(n=1.38 to n=1.33), so there is no phase change occurs .

For constructive interference

2t=(m+\frac{1}{2})\cdot \frac{\lambda }{n}

here t= thickness of gasoline film

n=refractive index

for m=0

t=\frac{\lambda }{4n}

t=\frac{540}{4\times 1.38}

t=97.82\approx 98\ nm                                                      

4 0
3 years ago
4.0 kg objects mive a distance of 7.8 m under the action of a cinstant gorce of 5.6 N. how much work is dine on object?
alexdok [17]

Answer:

43.68 J

Explanation:

Distance moved= 7.8 m

Force = 5.6 N

Work Done= Distance moved * Force

                   = 7.8 *5.6

                      =43.68 Joules

6 0
3 years ago
You have a 1.55 kg block of silver at room temperature of 20 °C. Silver melts at 962°C. How much heat energy would be needed to
notsponge [240]
Specific heat capacity= heat energy/mass×temperature rise

962°C - 20°C = 942K

Heat energy (Eh) = 239 × 1.55 × 942
Eh= 348963.9J

shc of Ag: 238.6 J/kg-K

m of Ag: 1.55kg
5 0
3 years ago
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