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2 years ago

Why would a atomic nucleus give off a particle

Physics

1 answer:

pickupchik [31]2 years ago

4 0

<span>A atomic nucleus would give off a particle to become stable.

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A student swings a container of water in a vertical circle of radius 1.0 m. Calculate the minimum speed of the container so that

12345 [234]

Answer:

Explanation:

The centripetal acceleration requirement must equal gravity at the top of the circle

mg = mv²/R

v = √Rg

v = √(1.0(9.8))

v = 3.1304951...

v = 3.1 m/s

6 0

2 years ago

A certain capacitor, in series with a resistor, is being charged. At the end of 10 ms its charge is half the final value. The ti

vichka [17]

To solve this problem we will apply the expression of charge per unit of time in a capacitor with a given resistance. Mathematically said expression is given as

$q(t) = e^{-\frac{t}{(R*C)}}$

Here,

q = Charge

t = Time

R = Resistance

C = Capacitance

When the charge reach its half value it has passed 10ms, then the equation is,

$\frac{1}{2}*q_{final} = e^{-\frac{0.01}{(R*C)}}$

$Ln(\frac{1}{2}) = -\frac{0.01}{RC}$

$- RC = \frac{0.01}{Ln(1/2)}$

$RC = 0.014s$

We know that RC is equal to the time constant, then

$T = RC = 0.014s = 14ms$

Therefore the time constant for the process is about 14ms

5 0

2 years ago

Which of the following would be the best thermal conductor?

Elis [28]

The best thermal conductor is b. metal

4 0

2 years ago

Read 2 more answers

Can someone please help me I don’t understand this

jolli1 [7]

I think it’s a because it the only reasonable answer

4 0

2 years ago

A resistor with R = 300 Ω and an inductor are connected in series across an ac source that has voltage amplitude 500 V . The rat

max2010maxim [7]

Answer:

Explanation:

Rate of dissipation of energy at resistor

= I² R = 296

current I² = 296/R = 296 / 300

I = 0.9933 A.

Impedence Z = V / I = 500 / .9933

= 503 ohm.

B ) Let it be V

voltage across resistance = 300 x .9933 = 298 v

Now 500² = 298² + V²

V = 401 v

C) Power factor = R / Z

=300 / 503

= 0.596

6 0

2 years ago