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3 years ago

True or False: The rate of nuclear decay depends on the temperature, pressure, and surface area of the isotope.

Physics

2 answers:

Liono4ka [1.6K]3 years ago

6 0

Answer:

False.

Hope this helps!

Natali5045456 [20]3 years ago

3 0

Answer:

The correct option is False

Explanation:

Temperature, pressure and surface area are factors that affect the rate of a chemical reaction and not a nuclear reaction. It should be noted that chemical reaction involves the electrons in the shell of an atom while nuclear reaction involves the unstable nucleus of a radioactive isotope. Thus, temperature, pressure and surface area do not affect the unstable nucleus during radioactive decay/emission.

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A device that assures the delivery of electric power without interruption is a(n)?

mario62 [17]

The answer should be UPS

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2 years ago

What is the maximum value of the magnetic field at a distance2.5m from a 100-W light bulb?

MA_775_DIABLO [31]

To solve this problem we will apply the concepts related to the intensity included as the power transferred per unit area, where the area is the perpendicular plane in the direction of energy propagation.

Since the propagation occurs in an area of spherical figure we will have to

$I = \frac{P}{A}$

$I = \frac{P}{4\pi r^2}$

Replacing with the given power of the Bulb of 100W and the radius of 2.5m we have that

$I = \frac{100}{4\pi (2.5)^2}$

$I = 1.2738W/m^2$

The relation between intensity I and $E_{max}$

$I = \frac{E_max^2}{2\mu_0 c}$

Here,

$\mu_0$ = Permeability constant

c = Speed of light

Rearranging for the Maximum Energy and substituting we have then,

$E_{max}^2 = 2I\mu_0 c$

$E_{max}=\sqrt{2I\mu_0 c }$

$E_{max} = 2(1.2738)(4\pi*10^{-7})(3*10^8)$

$E_{max} = 30.982 V/m$

Finally the maximum magnetic field is given as the change in the Energy per light speed, that is,

$B_{max} = \frac{E_{max}}{c}$

$B_{max} = \frac{30.982 V /m}{3*10^8}$

$B_{max} = 1.03275 *10{-7} T$

Therefore the maximum value of the magnetic field is $B_{max} = 1.03275 *10{-7} T$

3 0

3 years ago

PLEASE HELP ASAP!! CORRECT ANSWER ONLY PLEASE!!

gladu [14]

Here given that x is inversely depends of y

so as we increase the value of y so due to inverse dependency it will decrease the value of x

So here we can also say that when x inversely depends on y

so the product of x and y will remain constant here

so here the graph should be like this that if we increase the quantity on x axis then it will decrease the other quantity on y axis

So here best appropriate graph must be option A

3 0

3 years ago

Heat and/or energy are transferred from one object to another if the objects have _________ temperature(s).

NISA [10]

Answer:

.....different temperatures

Explanation:

heat is a form of energy that is transfered from a body of high temperature to a body of low temperature....Cannot happen if the two bodies have the same temperature(thermal equilibrium)

7 0

2 years ago

A soccer player kicks a ball, applying a force of 1,000 newtons over a distance of 0. 2 meter. The ball travels 50 meters down t

Fed [463]

500 i think i’m wrong though

8 0

2 years ago