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3 years ago

What is kinematics?explain!!~

Physics

2 answers:

KIM [24]3 years ago

8 0

Answer:

it is an 3d array of structure which involves inopperation methods

Explanation:

loollll

nydimaria [60]3 years ago

3 0

Kinematics refers to the study of motion without taking into account the forces that cause motion.

<h3>What is Kinematics?</h3>

Motion is the movement of a body from one point to another. There are two approaches to the study of motion which are;

Dynamics
Kinematics

Kinematics refers to the study of motion without taking into account the forces that cause motion. This is covered when we study the equations of motion.

Learn more about kinematics: brainly.com/question/25638908

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Why must objects be cooled before their mass is determined on a sensitive balance?

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3 years ago

Why might the term red hot be misleading? (relating to stars)

Allushta [10]

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3 years ago

A piece of wire 29 m long is cut into two pieces. One piece is bent into a square and the other is bent into an equilateral tria

skelet666 [1.2K]

Answer:

Explanation:

Total length of the wire is 29 m.

Let the length of one piece is d and of another piece is 29 - d.

Let d is used to make a square.

And 29 - d is used to make an equilateral triangle.

(a)

Area of square = d²

Area of equilateral triangle = √3(29 - d)²/4

Total area,

$A = d^{2}+\frac{\sqrt3}{4}\left ( 29-d \right )^{2}$

Differentiate both sides with respect to d.

$\frac{dA}{dt}=2d- \frac{\sqrt3}{4}\times 2(29-d)$

For maxima and minima, dA/dt = 0

d = 8.76 m

Differentiate again we get the

$\frac{d^{2}A}{dt^{2}}= + ve$

(a) So, the area is maximum when the side of square is 29 m

(b) so, the area is minimum when the side of square is 8.76 m

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3 years ago

5. In a local bar, a customer slides an empty beer mug on the counter for a refill. The bartender does not see the mug, which sl

pishuonlain [190]

Answer:

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2 years ago

A magnetic field is uniform over a flat, horizontal circular region with a radius of 1.50 mm, and the field varies with time. In

atroni [7]

Answer:

The average induced emf around the border of the circular region is $8.48\times 10^{-5}\ V$ .

Explanation:

Given that,

Radius of circular region, r = 1.5 mm

Initial magnetic field, B = 0

Final magnetic field, B' = 1.5 T

The magnetic field is pointing upward when viewed from above, perpendicular to the circular plane in a time of 125 ms. We need to find the average induced emf around the border of the circular region. It is given by the rate of change of magnetic flux as :

$\epsilon=\dfrac{-d\phi}{dt}\\\\\epsilon=A\dfrac{-d(B'-B)}{dt}\\\\\epsilon=\pi (1.5\times 10^{-3})^2\times \dfrac{1.5}{0.125}\\\\\epsilon=8.48\times 10^{-5}\ V$

So, the average induced emf around the border of the circular region is $8.48\times 10^{-5}\ V$ .

6 0

3 years ago

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What is kinematics?explain!!~​

What is kinematics?explain!!~