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3 years ago

10

________ reaction time involves selecting a specific and correct response from several choices when presented with several diffe

rent stimuli.

1 answer:

notsponge [240]3 years ago

4 0

The answer would be complex reaction time

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Wind resistance _____ as speed increases.

Over [174]

The correct option is option B that wind resistance increases dramatically.

Explanation:

When the speed of an object increases resistance increases drastically because the object pushing through air has obtained a high speed but the air is unable to move out of the way so fast so show it tends to get compressed and oppose the moving object and the object names to put more pressure because some of the pressure goes into cutting air and moving through it.

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4 years ago

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How do microwaves cook food or heat water?

Effectus [21]

Microwave<span> ovens are so quick and efficient because they channel </span>heat<span> energy directly to the molecules (tiny particles) inside </span>food<span>. </span>Microwaves heat food<span> like the sun heats your face—by radiation. A </span>microwave<span> is much like the electromagnetic waves that zap through the air from TV and radio transmitters</span>

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4 years ago

Who discovered electricity

belka [17]

Answer:

Benjamin Franklin

Explanation:

sorry if wrong.

I don't know who it is surely.

6 0

3 years ago

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a fire truck drives 3 miles to the east, then 1.2 miles to the west.what is the displacement of the fire truck

blagie [28]

Then he is 1.8 miles west

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3 years ago

A Gaussian surface in the form of a hemisphere of radius R = 5.51 cm lies in a uniform electric field of magnitude E = 1.08 N/C.

Ksju [112]

Answer:

$Flux_{base}=-0.0103Nm^2/C$

$Flux_{curvePortion}=-Flux_{base}=0.0103Nm^2/C$

Explanation:

a)At the base of the surface the Electric flux is easy to find, because the Electric Field is constant in magnitude and perpendicular to the flat surface:

$Flux_{base}=-E*S=-E*\pi*R^2=-1.08*\pi*0.0551^2=-0.0103Nm^2/C$

The Flux is negative because the Electric field goes into the surface

b) The Gaussian surface in form of a hemisphere encloses no net charge. The Gauss law says that the Flux of the electric field is proportional to the net charge enclosed. At this case, the charge is zero, then the total Flux is zero too.

$Flux_{total}=Flux_{base}+Flux_{curvePortion}=0$

Then:

$Flux_{curvePortion}=-Flux_{base}=0.0103Nm^2/C$

The Flux is positif because the Electric field goes out of the surface.

4 0

3 years ago