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Kamila [148]
3 years ago
14

Can friction ever do positive work?

Physics
1 answer:
PtichkaEL [24]3 years ago
7 0

Answer:

say whaaaaaaaat?

Explanation:

hell tho

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An air-track glider undergoes a perfectly inelastic collision with an identical glider that is initially at rest. what fraction
Allisa [31]

In this collision, 1/2 of the initial kinetic energy of the first glider is converted into thermal energy.

<h3>In plain English, what is kinetic energy?</h3>

An object's strength as a result ofstrength an object has as a result or motion is known as kinetic energy. Toorder to accelerate an object, a force must be applied. Applying force requires effort on our part. When the work is done, power is transported to the thing, which causes it to move at the athe new, constant pace.

<h3>What does kinetic energy mean, or what are some instances?</h3>

The motion energy is known as kinetic energy, and it is manifested when a particle, object, or group if particles moves. Any moving object uses kinetic energy, including people walking, baseballs being thrown, food falling from tables, and charged particles in electric fields.

brainly.com/question/15764612

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8 0
1 year ago
What happens to the speed of light when light travels in matter?
pickupchik [31]
The answer would be B ok man good luck

I hope this helps!
4 0
3 years ago
Read 2 more answers
A continuous length of wire is made into 10 coaxial loops, located in the plane of this page. Each loop has a cross sectional ar
AleksandrR [38]

Answer:

e = 10 V

Explanation:

given,

number of the coaxial loops = 10

Cross sectional area =  0.5 m²

magnitude of magnetic field =

B = 3 T + (2 T/s)*t.

B = ( 3+ 2 t ) T

induced potential difference = ?

At time = 2 s

we know,

induced emf

e = - N\dfrac{d\phi}{dt}

∅ = B . A

e = - N\dfrac{d(BA)}{dt}

e = - NA\dfrac{dB}{dt}

e = - 10 \times 0.5 \times \dfrac{d}{dt}(3 + 2 t)

e = - 10 \times 0.5 \times 2

e = -10 V

magnitude of induced emf

|e| = |-10 V|

e = 10 V

the induced potential difference in the loop = e = 10 V

7 0
3 years ago
What steps are involved in converting potential energy to kinetic energy
melomori [17]

Answer:

Decreasing in altitude and increasing in velocity

Explanation:

The formula for potential energy is:

E_p = mgh

where m is mass, g is constant gravitational energy and h is the potential altitude.

The formula for kinetic energy is:

E_k = mv^2/2

where v is the velocity

Since m,g are constant, to convert from potential energy to kinetic energy, h must decreases while v increases. For example dropping an object from a height.

8 0
4 years ago
Read 2 more answers
State the principle of floatation​
WARRIOR [948]

Explanation:

<em><u>Principle of Floatation</u></em>

Principle of Floatation states that weight of floating body is equal to weight of water displaced by it

7 0
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