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Fiesta28 [93]
3 years ago
12

¿Qué significa que un automóvil viaje con una rapidez de 45[(Km.)⁄(Hr.)]?

Physics
1 answer:
netineya [11]3 years ago
4 0

Responder:

Compruebe amablemente la explicación

Explicación:

¿Qué significa que un automóvil viaje con una rapidez de 45 [(Km.) ⁄ (Hr.)]?

Si se dice que un automóvil viaja a una velocidad de 45 km / h, entonces el automóvil cubre una distancia de 45 km en una hora. 45 km / h es una derivación de la velocidad de desplazamiento obtenida de la relación;

Velocidad = distancia / tiempo

Velocidad = 45 km / 1 h.

Distancia = velocidad × tiempo

Distancia = 45 km / h × 1 h

Distancia = 45 km

Por lo tanto, a esa velocidad, se cubrirá una distancia de 45 km por cada hora que se mueva.

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Answer:

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Explanation:

because the moment of a force is for pivots

the moment of a force can be clockwise motion and anti clockwise motion

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3 years ago
A rocket has landed on Planet X, which has half the radius of Earth. An astronaut onboard the rocket weighs twice as much on Pla
Burka [1]

Explanation:

Let acceleration due to Gravity for a planet is given by:

g_X=GM/R^2

Here,g_X = 2g

Escape velocity is given by:

v =\sqrt{ \frac{2GM} {R}} = \sqrt{2aR}

Here, R=R_earth/2

and g_X = 2g

Therefore,v=\sqrt(2(2g)(R/2))=v_0

7 0
3 years ago
How have human factors contributed to climate change, and what evidence supports these factors?
lukranit [14]
By factorys. Because the smoke that builds up from them

8 0
4 years ago
Read 2 more answers
A white pool ball of mass 1.0 kg moving at 10 m/s collides with
solniwko [45]

The velocity of the red ball after the collision is 5.8 m/s

Explanation:

In absence of external forces on the system, we can apply the principle of conservation of momentum. The total momentum of the system must be conserved before and after the collision, so we can write:

p_i = p_f\\m_1 u_1 + m_2 u_2 = m_1 v_1 + m_2 v_2

where:

m_1 = 1.0 kg is the mass of the pool ball

u_1 = 10 m/s is the initial velocity of the pool ball

v_1 = 3.0 m/s is the final velocity of the pool ball

m_2 = 1.2 kg is the mass of the red ball

u_2 = 0 is the initial velocity of the red ball

v_2 is the final velocity of the red ball

Solving the equation for v2, we find the final velocity of the red ball after the collision:

v_2 = \frac{m_1 u_1-m_1v_1}{m_2}=\frac{(1.0)(10)-(1.0)(3.0)}{1.2}=5.8 m/s

Learn more about collisions:

brainly.com/question/13966693#

brainly.com/question/6439920

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7 0
3 years ago
The force between two interacting charges is 9.0 × 10-5 newtons. They are kept 1 meter apart. If the magnitude of one charge is
Oliga [24]

The magnitude of other charge will be 1 × 10⁻² coulomb

The formula of electrostatic force is

Electrostatic force = K q1 q1 / r²

where k is the coulomb's constant whose value is 9 × 10⁹

q1 and a2 are the magnitude of charges

and r is the distance between them

magnitude of the force given to us is 9.0 × 10⁻⁵ newtons

magnitude of one charge = 1.0 × 10⁻⁶ coulomb

Force = K q1 q2 / r²

9.0 × 10⁻⁵ = ( ( 9 × 10⁹ ) × ( 1.0 × 10⁻⁶ ) × q2 ) / 1

9.0 × 10⁻⁵ =  9 × 10³ × q2  

10⁻² = q2  

Charge on q2 is 1 × 10⁻² coulomb

So the magnitude of the second charge is came out to be 1 × 10⁻² coulomb after applying the formula of electrostatic force.

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8 0
2 years ago
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