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rjkz [21]
3 years ago
5

Which describes one event that causes an eclipse?

Physics
1 answer:
seraphim [82]3 years ago
5 0

Answer:

earth's shadow covering the moon,thats lunar eclipse

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Graphically determine the resultant of the following three vector displacements: (1) 34 m, 25º north of east; (2) 48 m, 33° east
Anni [7]

Answer:

Explanation:

In the first attached image, we can see, the nomenclature used for Angle orientations.

To sum the vectors we must join the head of one of them with the tail of the next, at the end joins the tail of the first vector with the head of the last vector.

In the second attached image, we can find graphically the sum of each of the vectors.

The resultant vector has a length of 57.36[m], and goes 48° north of east.

8 0
3 years ago
1. In a certain semiconducting material the charge carriers each have a charge of 1.6 x 10-19 C. How many are entering the semic
Gennadij [26K]

Answer:

The number of charges is 1.25 × 10¹⁰

Explanation:

Current is the amount of charge flowing through a conductor per second. The formula for current (I) is given as:

I = Q/t

Where Q is the charge flowing in coulombs and t is the time taken in seconds.

Given that I = 2.0 nA = 2 × 10⁻⁹ A and t = 1 sec

I = Q / t

Q = It =  2 × 10⁻⁹ × 1 =  2 × 10⁻⁹ C

Since each charge = 1.6 x 10⁻¹⁹ C, therefore:

The number of charges = 2 × 10⁻⁹ C / 1.6 x 10⁻¹⁹ C = 1.25 × 10¹⁰

5 0
2 years ago
What is the difference between heat temperature and thermal energy?
igomit [66]
Well Thermal energy is an example of kinetic energy, as it is due to the motion of particles, with motion being the key. Thermal energy results in an object or a system having a temperature that can be measured. Thermal energy can be transferred from one object or system to another in the form of heat. While <span>Heat energy (or thermal energy or simply heat) is defined as a form of energy which transfers among particles in a substance (or system) by means of kinetic energy of those particles. In other words, under kinetic theory, the heat is transferred by particles bouncing into each other.</span>
4 0
3 years ago
What type of wave allows you to hear sounds?
DIA [1.3K]
Electromagnetic transverse waves
8 0
3 years ago
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1. Say whether the following statements are true or false and explain why:
tiny-mole [99]

Explanation:

A] TRUE

B] TRUE

C] FALSE

D] FALSE

E] TRUE

F] TRUE

G]FALSE

H] FALSE

8 0
3 years ago
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