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2 years ago

When driving your car forward, your car's wheels are spinning. What is the direction of rotation of your car's wheels

1 answer:

7 0

The rotation axes of a car's wheels are horizontal and perpendicular to the direction of movement when the vehicle is moving ahead. The "direction" of the wheels' rotation, or more precisely, the direction of the angular velocity vector, is then uniquely specified by a mathematical convention.

<h3>Explain the rotation of the car's wheels and its direction?</h3>

In other words, it is impossible to say whether an object is rotating clockwise or counterclockwise without also mentioning the angle from which the object is being viewed. The wheels would be said to be turning clockwise if the car passed you from left to right. However, someone on the opposite side of the street would claim that they were rotating the opposite way. However, both observers would concur on the definition of the angular velocity vector's direction.

<h3>What is angular velocity and axis of rotation?</h3>

The symbol ω represents the magnitude of the angular velocity, which is equal to 2π divided by the duration of one rotation. In other words, ω = 2π / T. But what is important is the vector's orientation. And to do that, we employ the aforementioned "Right Hand Rule." Your right hand should be held with the thumb pointing in the direction of the rotation vector and the fingers curled in the direction the wheel turns.

In order to specify the angular velocity of each component that makes up the wheel with respect to the axis of rotation, a more formal definition uses a vector cross-product.

To know more about angular velocity visit:
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3 years ago

a) The student hypothesizes that a greater fraction of kinetic energy is lost from the system during the collision when the spee

Mashcka [7]

Answer with Explanation:

One hypothesis above would probably rely on the situation called <em>"inelastic collision." </em>The two carts are travelling towards each other at different speed. So, this means that once they collide, the kinetic energy will not be conserved but will be transferred as <em>sound energy, thermal energy or material deformation</em>. The impact will be great, thus a <u>greater fraction of kinetic energy will be lost from the system.</u>

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3 years ago

Why are not all microorganism harmful?

son4ous [18]

In nature there are two categories of microorganisms as relating to health. Microorganisms that are considered harmful to humans are called pathogens and these cause disease. Examples include bacteria such as streptococcus which cause sore throat and salmonella which cause typhoid disease.

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In man the normal bacterial flora of the skin include staphylococcus found on dry skin, cornybacteria found in moist skin sites and propionibacteria in the sebaceous sites (head, neck, trunk) of the body. Normal bacterial flora of the gut include Escherichia coli.

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3 years ago

The design phase in which a building project's basic functional requirements are first laid out (square footage, utility and equ

VikaD [51]

Answer:

e. design programming

Explanation:

The planning techniques are responsible for structuring the tasks to be performed within the project, defining the duration and the order of execution of the same, while the programming techniques try to organize the activities so that the logical temporal relationships between them, determining the calendar or the moments of time in which each one must be realized. The programming must be consistent with the objectives pursued and respect existing restrictions (resources, costs, workloads).

The programming therefore consists in setting, in an approximate way, the moments of beginning and termination of each activity. Some activities may have slack and others are critical activities (fixed over time).

STEPS:

Build a time diagram (moments of beginning and slack of activities).

Establish the times of each activity.

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3 years ago

A football is thrown horizontally with an initial velocity of (16.6 m/s)x^. ignoring air resistance, the average acceleration of

Andrei [34K]

Solution:

According to the equations for 1-D kinematics. The only change to them is that instead one equation that describes general motion.

So we will have to use the equations twice: once for motion in the x direction and another time for the y direction.

v_f=v_o + at ……..(a)

[where v_f and v_o are final velocity and initial velocity, respectively]

Now ,

Initially, there was y velocity, however gravity began to act on the football, causing it to accelerate.

Applying this value in equation (a)

v_yf = at = -9.81 m/s^s * 1.75 = -17.165 m/s in the y direction

For calculating the magnitude of the equation we have to square root the given value

(16.6i - 17.165y)

\\ \left | V \right |=sqrt{16.6^{2}+17.165^{2}}\\ = \sqrt{275.56+294.637225}\\= \sqrt{570.197225}\\= 23.87[/tex]

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3 years ago

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