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denpristay [2]
2 years ago
7

If two objects have different tempters, in which direction will heat move? for how long

Physics
1 answer:
dedylja [7]2 years ago
4 0

The heat will always move to the cooler object. This transfer will happen until both objects have the same temperature (thermal equilibrium).

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Can someone please provide a step by step explanation to the question in the image? It is really important for me to understand
Sergio039 [100]

Answer:

21.21 N @ 81.87°

Explanation:

Divide each force into horizontal components and vertical components.

F₁ is in the +x direction, so F₁ₓ = 12 N and F₁ᵧ = 0 N.

F₂ is in the +y direction, so F₂ₓ = 0 N and F₂ᵧ = 9 N.

F₃ is 53.13° above the -x axis.  So the components are:

F₃ₓ = -15 cos (53.13°) = -9 N

F₃ᵧ = 15 sin (53.13°) = 12 N

The horizontal component of the resultant force is the sum of the horizontal components of the individual forces:

Fₓ = F₁ₓ + F₂ₓ + F₃ₓ

Fₓ = 12 N + 0 N + (-9 N)

Fₓ = 3 N

Similarly, the vertical component of the resultant force is the sum of the vertical components of the individual forces:

Fᵧ = F₁ᵧ + F₂ᵧ + F₃ᵧ

Fᵧ = 0 N + 9 N + 12 N

Fᵧ = 21 N

To find the magnitude of the resultant force, use Pythagorean theorem:

F² = Fₓ² + Fᵧ²

F² = (3 N)² + (21 N)²

F = 21.21 N

To find the direction relative to the +x axis, use trigonometry:

tan θ = Fᵧ / Fₓ

tan θ = (21 N) / (3 N)

θ = 81.87°

The resultant force is 21.21 N at a angle of 81.87° above the +x axis (round as needed).

3 0
3 years ago
7. The ___ is the basic unit of structure of<br>all living things.​
kupik [55]

cells are the basic unit of all living things

3 0
3 years ago
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Una bola de ping pong de 10 g. de masa rueda a 10 m/s hacia una bola de pool de 250 g de masa, inicialmente quieta. Luego del ch
Leni [432]
Shahehehebeidvejdvdje xidveidbdhx rudhejdbdhd
3 0
2 years ago
Two violinists are trying to play in tune. However, whenever they play their A string at the same time they hear a beat frequenc
kaheart [24]

Answer:

The possible frequencies for the A string of the other violinist is 457 Hz and 467 Hz.

(3) and (4) is correct option.

Explanation:

Given that,

Beat frequency f = 5.0 Hz

Frequency f'= 462 Hz

We need to calculate the possible frequencies for the A string of the other violinist

Using formula of frequency

f'=f_{1}-f...(I)

f'=f_{1}+f...(II)

Where, f= beat frequency

f₁ = frequency

Put the value in both equations

f'=462-5=457\ Hz

f'=462+5=467\ Hz

Hence, The possible frequencies for the A string of the other violinist is 467 Hz and 457 Hz.

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3 years ago
How do people grow what makes them grow
Phoenix [80]

Answer:

people grow by the year sometimes it even by months

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