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Sveta_85 [38]
3 years ago
12

Which of the following is a scalar quantity?

Physics
1 answer:
aleksandrvk [35]3 years ago
8 0

Answer:

time is a scalar quantity.

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Electromagnetic radiation includes only visible light waves.<br><br> true or false
stealth61 [152]

The entire electromagnetic spectrum, from the lowest to the highest frequency (longest to shortest wavelength), includes all radio waves (e.g., commercial radio and television, microwaves, radar), infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays.

False, There is other things aswell

3 0
2 years ago
A transverse wave on a string is described by the wave function
svp [43]

The period of the transverse wave from what we have here is 0.5

<h3>How to find the period of the transverse wave</h3>

The period of a wave can be defined as the time that it would take for the wave to complete one complete vibrational cycle.

The formula with which to get the period is

w = 4π

where w = 4 x 22/7

2π/T = 4π

6.2857/T = 12.57

From here we would have to cross multiply

6.2857 = 12.57T

divide through by 12.57

6.2857/12.57 = T

0.500 = T

Hence we can conclude that the value of T that can determine the period based on the question is 0.500.

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brainly.com/question/2516098

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5 0
1 year ago
Select the correct answer.
VLD [36.1K]

Answer:O – H

Explanation:

8 0
2 years ago
What is the requirement for a core to be used in an electromagnet?
xxMikexx [17]

D. It must be able to be magnetized

Explanation:

The requirement for a core to be used in an electromagnet is that it must be able to be magnetized.

An electromagnet is a type of magnet produced by electricity.

  • They typically run and produce magnetic fields in the vicinity of electrical currents.
  • These magnets are not permanent magnets.
  • When the electrical current is removed, the magnetic property of the substance is lost.
  • The core of an electromagnet is usually made up of a material that can easily be magnetized in the presence of magnetic fields.
  • Some of the materials used are cobalt, iron, nickel.

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3 years ago
What is Newton's gravitational constant ? write down its value and si unit.​
Irina18 [472]
Answer: 6.67 x 10^-11 m^3•kg^-1•s^-2
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3 years ago
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