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finlep [7]
2 years ago
6

Which of the following has greater kinetic energy?

Physics
1 answer:
uysha [10]2 years ago
5 0
I aint got no clue ask someone that knows about this.
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HELP URGENT———Why is creativity important in constructing scientific methods?
Oxana [17]

correct option is C.

Explanation:

the best to test a hypothesis is not always the most obvious way

7 0
3 years ago
un bus sale de florencia hacia el municipio de san vicente del caguan con una velocidad de 30km/h. 2 horas mas tarde sale otro b
goldenfox [79]
Recuerda que distancia=velocidad x tiempo (d=vt). vamos a llamar d _{1} a la distancia que reccore el primer bus, y d _{2} la distancia que recoore el segundo. Los se econtraran cuando la ditancia recorrida por cada bus sea la misma, es decir d _{1} =d _{2}.
Ahora sabemos que la velocidad del primer bus es 30 km/h y su tiempo es t; en cuanto al segundo bus, su velocidad es 45 km/h y como sale 2 horas mas tarde su tiempo será t-2. Ahora podemos reemplazar los valores en nuestra ecuación de de distanica para hallar el tiempo:
30t=45(t-2)
30t=45t-90
30t-45t=-90
-15t=-90
t= \frac{-90}{-15}
t=6
Los buses se encontraran en 6 horas, 4 horas después de haber salido el segundo bus.

 Ahora para hallar la distancia a la que los buses estaran de <span>san vicente del caguan solo necesitaremos reemplazar la el tiempo en nuestra equación de distancia para el primer bus:
</span>d _{1} =(30)(6)
d _{1} =180
<span>En el punto de encuentro los buses estarán a 180 km de San Vicente del Caguan.
</span>
7 0
3 years ago
The force of attraction between two objects, which is related to the object's mass is the definition of
Andrews [41]
This would be the definition of gravitational force, I believe. The force of attraction between 2 objects based on the mass of the objects.
7 0
3 years ago
Read 2 more answers
A proton and an electron are released from rest in the center of a capacitor.
Sunny_sXe [5.5K]

Answer:

a)  equal 1, b) less than 1

Explanation:

a) the electric force is given by

         Fe = q E

The charge of the electron and proton has the same value, that of the proton is positive and that of the electron is negative

Proton

        Fp = qE

Electron

         Fe = - q E

         Fp / Fe = -1

If we do not take into account the sign the relationship is equal to one (1)

b) to calculate the force we use Newton's second law

           F = ma

           qE = m a

           a = q E / m

The mass of the proton much greater than the mass of the electron

          ap = q E / m_{p}

          ae = - q E /  m_{e}

          ap / ae =  m_{e} /  m_{p} =  m_{e}/1600  m_{e} =1/1600

 It is much smaller than 1

7 0
3 years ago
When an oxygen atom forms an ion, it gains two electrons. What is the electrical charge of the oxygen ion? A. +2 B. -1 C. -2 D.
Alecsey [184]
C. 2-

electrons have a negative charge, thus adding two electrons to an atom will give it a charge of 2 times -1 or -2
6 0
3 years ago
Read 2 more answers
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