PHYSICS MIDDLE SCHOOL

According to the electromagnetic spectrum, Gamma rays have the slowest wave length. Therefore, Gamma rays have _______frequency. A). a random

B). the lowest

C). the highest

D). an undetermined

Answers

Answer 1
Answer: According to the electromagnetic spectrum, gamma rays have the slowest wave length. therefore, gamma rays have the highest frequency.
Answer 2
Answer:

Answer:

A. the highest


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HIGH SCHOOL

Which of the following is a type of local signaling in which a cell secretes a signal molecule that affects neighboring cells?a) hormonal signalingb) synaptic signalingc) paracrine signalingd) autocrine signaling

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Paracrine signaling .. Hope this helps :)

Mark Brainliest..
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70 POINTS!! Give a real life example showing how sensory neurons work with the motor neurons

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By locating each neuron in a specific place so that they motor and yeah hopes this helps!
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Water, with a density of rho = 1125 kg/m 3 rho=1125 kg/m3 , flows in a horizontal pipe. In one segment of the pipe, the flow speed is v 1 = 6.53 m/s v1=6.53 m/s . In a second segment, the flow speed is v 2 = 1.17 m/s v2=1.17 m/s . What is the difference between the pressure in the second segment ( P 2 P2 ) and the pressure in the first segment ( P 1 P1 )?

Answers

Answer:

The difference between the pressure in the second segment (P2) and the pressure in the first segment (P1) is 23262.75N/m^2

Explanation:

Density (rho) of water = 1125kg/m^3

Flow speed (v1) in the first segment = 6.53m/s

From the equations of motion

v^2 = u^2 + 2gh (v = 6.53m/s, u = 0m/s, g = 9.8m/s^2)

6.53^2 = 2×9.8×h

h = 42.6409/19.6 = 2.18m

P1 = h×rho×g = 2.18×1125×9.8 = 24034.5N/m^2

Flow speed (v2) in the second segment = 1.17m/s

v^2 = 2gh

h = v^2/2gh = 1.17^2/2×9.8 = 1.3689/19.6 = 0.070m

P2 = h×rho×g = 0.070×1125×9.8 = 771.75N/m^2

P2 - P1 = 24034.5N/m^2 - 771.75N/m^2 = 23262.75N/m^2

HIGH SCHOOL

Explain what it means when we say a substance is magnetic.

Answers

That is type of substance which produce magnetic field

(Example: fridge magnet)

Answer:

the substance that produces the magnetic field.

Explanation:

MIDDLE SCHOOL

What is a mixture, element or a compound

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A mixture is a substance made by mixing other substances together.
HIGH SCHOOL

A__________is a small particle that is a building block of matter.

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Atom is the correct answer.
HIGH SCHOOL

What style of art represents people or objects exactly as they appear in life? realism
impressionism
cubism
romanticism

Answers

REALISM shows things as they REALLY look.

The answer is REALISM because its a real answer!

HIGH SCHOOL

An arsenic surface emits electrons after shining with a light source of the frequency of 5.32×1023 Hz. Calculate the maximum kinetic energy of the ejected electron if the work function of arsenic is 7.67×10.

Answers

Answer:

The  maximum kinetic energy of the ejected electron=

Explanation:

We are given that

Frequency of light source= Hz

Work function of arsenic= eV

We have to find the maximum kinetic energy of ejected electron.

We know that the maximum kinetic energy of ejected electron

Where h=Plank's constant=

=Frequency of light source

=Work function

Substitute the values in the given formula

Then, the maximum kinetic energy of ejected electron

Because 1 e V=

J

Hence, the maximum kinetic energy of the ejected electron=

HIGH SCHOOL

How does end A of the rod react when the charged ball approaches it after a great many previous contacts with end A? Assume that the phrase "a great many" means that the total charge on the rod dominates any charge movement induced by the near presence of the charged ball.

Answers

Answer: IT IS STRONGLY REPELLED

Explanation: The laws of guiding magnetic attraction or repulsion of Magnetic materials,states that when like poles are brought together they repel each other, but when unlike poles are brought together they are attracted.

The rod will be strongly repelled because the forces on the rod is greater and has the same Polarity as the charged ball.

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