8. Cart 1 with mass of 2kg moving at +6m/s collides with cart 2 with a mass of 1kg,

Physics

2 answers:

sertanlavr [38]3 years ago

6 0

Around the world around the world

Neko [114]3 years ago

4 0

Answer:its 2kg

Explanation:

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Which type of current is produced by a wire breaking magnetic field lines and changing the polarity?

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If a proton and an electron are released when they are 2.50×10^-10m apart (typical atomic distances), find the initial accelerat

katrin [286]

To solve this exercise, we will first proceed to calculate the electric force given by the charge between the proton and the electron (it). From the Force we will use Newton's second law that will allow us to find the acceleration of objects. The Coulomb force between two charges is given as

$F = k \frac{q_1q_2}{r^2}$

Here,

k = Coulomb's constant

q = Charge of proton and electron

r = Distance

Replacing we have that,

$F = (9*10^9)(\frac{(1.602*10^{-19})^2}{2.5*10^{-10}})$

$F = 3.6956*10^{-9}N$

The force between the electron and proton is calculated. From Newton's third law the force exerted by the electron on proton is same as the force exerted by the proton on electron.

The acceleration of the electron is given as

$a_e = \frac{F}{m_e}$