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GarryVolchara [31]
3 years ago
11

Is Particle B charged or uncharged? If charged, indicate whether it is charged positively or negatively. (n = neutron, p = proto

n, e = electron) Patice B 11p​

Physics
1 answer:
diamong [38]3 years ago
7 0

Answer:

community College program and maddie d

Explanation:

work business work and maddie

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An unstable atomic nucleus of mass 1.58 10-26 kg initially at rest disintegrates into three particles. One of the particles, of
lara31 [8.8K]

Answer:

a The velocity of the third particle is v_3 = (-15.629*10^{6}i -14.45*10^{6}j)\ m/s

b The total kinetic energy increase E = 6.50 *10^{-13} J

Explanation:

To solve this question we are going to be using the concept of conservation of momentum which is mathematically represented as

            m_1v_1 +m_2v_2 +m_3v_3 = 0

From the question

        Mass of  unstable atomic nucleus m_0= 1.58 *10^{-26} kg

        Mass of  x-axis particle m_1 = 8.44* 10^{-27} kg

        Velocity of x-axis particle v_ 1 =  4.00* 10^6 m/s

         Mass of  y-axis particle  m_2 =5.20* 10^{-27} kg

            Velocity of y-axis particle  v_2 = 6.00 *10^6 m/s

 Since the initial mass is known we can obtain the mass of the third particle  

 Using the conservation of mass mathematical expression

                m_3 = m_0 - (m_1 +m_2)

                  m_3 = 1.58 *10^{-26}  - ( 8.44* 10^{-27} + 5.20* 10^-27)

                        = 2.16 *10 ^{-27}kg

Using the mathematical expression above for conservation of momentum

               (8.44 * 10^{-27})( 4.00* 10^6i) + (5.20 *10^{-27})(6.00* 10^6j) +(2.16*0^{-27})v_3 =0

            v_3 = (-15.629*10^{6}i -14.45*10^{6}j)\ m/s

The above is the vector solution now to obtain the value in numeric form we evaluate the magnitude of the vector

         Mag  = \sqrt{(15.629*10^6)^2 +(14.45*10^6)^2}

                = 21.285*10^6 \ m/s

To obtain the total increase in  kinetic energy which is mathematically represented as

         E = \frac{1}{2}m_1v_1 +  \frac{1}{2}m_2v_2 + \frac{1}{2} m_3 v_3

         E =\frac{1}{2} [(5.20*10^{-27})(6.0*0^{6})^2 + (8.44*10^{-27})(4.00*10^6)^2+\\\\(2.16*10^{-27})(21.285*10^6)^2]

              = 6.50 *10^{-13} J

5 0
3 years ago
A point charge is ON a Gaussian cube in the middle of the top face - the top face goes through the point charge. Through which f
Natasha2012 [34]

Answer:

C)The side that the charge is on, the top.

Explanation:

As we know that

1)More flux is possible, when the field is perpendicular to the cross sectional area.

2)Electrical field lines are more power full in this side because the charge is near to the top side.

3)Those sides are electric field parallel to area that sides have minimum flux.

So

The side that the charge is on, the top ,have least flux traverse.

Option C is correct.

4 0
4 years ago
A skateboard has a mas of 450g if it travels at 7m/s what is te momentum
Elza [17]

Answer:

Momentum (P)= 3.15Kg.m/s

Explanation:

Because momentum by definition is the product of mass and velocity, therefore, it's calculated by the formula;

P=mv,,,

where 'P' Is the momentum

'm' is mass in Kilograms, note that mass should be in Kilograms, therefore the 450grams should be converted to kilograms by dividing it with a 1000, i.e (450g×1kg/1000g)= 0.45kg, and now you can substitute in the formula because you have everything you need to find momentum in the right si units.

so P=mv

P=0.45Kg×7m/s

P=3.15Kg.m/s

7 0
2 years ago
Which of the following has the most momentum? proton (m=1.67 x 10-27 kg) moving at 2.0 x 104 m/s,an electron (m=9.11 x 10-31 kg)
Tom [10]

Answer:

The North American tectonic plate.

Explanation:

recall the formula for momentum: p = m * v

the subatomic particles have very small masses while high speeds, so the product results in values with negative exponents in scientific notation.

Negative exponents also result for the house fly when converting mg into kg (10^-6).

The positive exponents in scientific notation for the momentum come for the gigantic mass of the continental plate which exceeds the negative exponents contributed by the small velocity.

5 0
3 years ago
Magnetism is a ?<br> A) FORCE<br> B) POWER<br> C) FORM OF ENERGY<br> D) FORM OF ELECTRICITY
Ksivusya [100]

I believe this answer is Force

3 0
3 years ago
Read 2 more answers
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