2 years ago

7th grade science i mark as brainliest

Physics

1 answer:

andrey2020 [161]2 years ago

6 0

Answer:

YOU ARE NOOB BECAUSE YOU ARE FREE FIRE PLAYER

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Calculate 2 x 10^-3cm ÷ 2.5 x 10^4cm

Mamont248 [21]

Here is your answer:

First find the notations:

2×10^-3
=0002
And...
2.5×10^4=25000

Then divide:

0002÷25000=8E-9

Your answer:
=8 x 10-8

3 0

2 years ago

A cryogenic vacuum pump works by condensing vapors onto some absorbent medium. This is an efficient and clean way to pump a syst

Julli [10]

Answer: Temperature in Fahrenheit is 577.4

Explanation:

The conversion factor for converting celcius to Fahrenheit is:

$F=\frac{9}{5}\times C+32$

where F = temperature in Fahrenheit

C = Temperature in Celcius

Given : Temperature difference in Celcius = $303^0C$

Putting in the values we get:

$F=\frac{9}{5}\times 303+32$

$F=577.4$

Thus the answer in Fahrenheit is 577.4

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2 years ago

Guiana dolphins are one of the few mammals able to detect electric fields. In a test of sensitivity, a dolphin was exposed to th

iren [92.7K]

Answer:

0.05 V/m

Explanation:

V = Potential difference that is possible for the dolphin to detect = 0.5 mV

d = Distance between electrodes = 1 cm

Electric field strength is given by

$E=\dfrac{V}{d}$

$\Rightarrow E=\dfrac{0.5\times 10^{-3}}{1\times 10^{-2}}$

$\Rightarrow E=0.05\ V/m$

The corresponding electric field strength is 0.05 V/m

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3 years ago

Sources of natural gas include all of the following except: flyash oil wells biomass landfills

melisa1 [442]

Idk the answer but goodluck

4 0

2 years ago

Read 2 more answers

A source of emf is connected by wires to a resistor, and electrons flow in the circuit. The wire diameter is the same throughout

SSSSS [86.1K]

Answer

The potential energy is less

Explanation:

From the question we are told that

The source of the emf is by wires to a resistor.

Now the potential energy of electron before leaving the source emf will be greater than the potential energy of an electron after leaving the source of emf because the resistor connected to the source emf will reduced the potential energy as it will convert some of the energy to heat

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3 years ago