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Murrr4er [49]
3 years ago
6

How do you use vectors daily without realizing it was a vector? I need help ASAP !!!

Physics
1 answer:
jonny [76]3 years ago
6 0

Explanation:

Vectors are quantities that has both magnitude and direction. A vector is described in terms of quantity and the direction it is headed.

There are different forms of vectors that are used in our daily life.

  • When we describe the motion of a car and the direction it is heading, we are simply talking about its velocity which is a vector.
  • When we say James treks 2km from his school to the house everyday, we are simply describing his displacement.
  • When we apply a force to push the table from one corner of the room to another point, is simply a vector
  • When we change position, it is a vector application.
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A paper airplane with mass 0.1 kg is flying 1.5 m above the ground with a speed of 2 m/s. What is the total mechanical energy of
Wewaii [24]
Total mechanical energy = kinetic energy + potential energy
E = KE + PE
E = ½mv² + mgh
E = ½(0.1 kg)(2 m/s)² + (0.1 kg)(9.8 m/s²)(1.5 m)
E = 0.2 J + 1.47 J
E = 1.67 J
7 0
3 years ago
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When you whirl a can at the end of a string in a circular path, what is the direction of the force that acts on the can
andreyandreev [35.5K]

Answer:

Toward the centre of the circular path

Explanation:

The can is moved in a circular path: this means that it is moving by circular motion (uniform circular motion if its tangential speed is constant).

In order to keep a circular motion, an object must have a force that pushes it towards the centre of the circular trajectory: this force is called centripetal force, and its magnitude is given by

F=m\frac{v^2}{r}

where m is the mass of the object, v its tangential speed, r the radius of the trajectory. This force always points towards the centre of the circular path.

3 0
3 years ago
All of the following are true statements regarding line-voltage thermostats and control wiring except a. An electrician's licens
n200080 [17]

Answer:

c. Line - voltage thermostats and controls are not as sensitive as low - voltage thermostats.

Explanation:

Line voltage thermostat is a regulator which senses the temperature and maintains it to keep the desired level of the voltage. The license in required for the electricians to work on the voltage control wirings. There is technical aspects which an electrician must understand before working on the circuits and voltage lines.

4 0
3 years ago
summarize the physical reasons that sound waves travel at different speeds through different mediums ​
laila [671]

Answer: you cant see sound waves but youcan defiently hear them . when the travle through difrent levels they depend on how loud the sound wave is if you hear a loud sound its called a loud sound wave

Explanation:

5 0
2 years ago
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Levart [38]

Answer:

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            =470.88 N

            = 471 N

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3 years ago
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