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3 years ago

6. Give an example of an energy transformation from nuclear to electromagnetic.

1 answer:

7 0

An example of an energy transformation from nuclear to electromagnetic is: The sun transforms nuclear energy into ultraviolet, infrared, and gamma energy all forms of electromagnetic energy.

Explanation: The change of energy from one form to another is known as energy transformation. In every second energy transformations is constantly occurring everyplace.

Energy is transferable but it cannot be generated or destroyed. Electrical, mechanical, electromagnetic, nuclear, and chemical are some forms of energy.

The energy stored in the nucleus of an atom is known as Nuclear energy. Huge amounts of energy gets released at the time when nuclei combines or breaks. The gravitational collapse of hydrogen clouds produce heat and pressure that helps in activating Nuclear Fusion.

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The equivalent resistance of a series combination of resistors is always greater than any individual resistance

Likurg_2 [28]

Answer:

true

Explanation:

Series resistors are additive

r1 + r2 + r3 = r total the total will always be greater than any one of the parts

8 0

2 years ago

What effects does the conductor have on the potential field?

liraira [26]

Type of conductors determines rate of flow of current

8 0

2 years ago

. A mass m is traveling at an initial speed of 25.0 m/s. It is brought to rest in a distance of 62.5 m by a net force of 15.0 N.

harkovskaia [24]

Answer:

m = 3 kg

The mass m is 3 kg

Explanation:

From the equations of motion;

s = 0.5(u+v)t

Making t thr subject of formula;

t = 2s/(u+v)

t = time taken

s = distance travelled during deceleration = 62.5 m

u = initial speed = 25 m/s

v = final velocity = 0

Substituting the given values;

t = (2×62.5)/(25+0)

t = 5

Since, t = 5 the acceleration during this period is;

acceleration a = ∆v/t = (v-u)/t

a = (25)/5

a = 5 m/s^2

Force F = mass × acceleration

F = ma

Making m the subject of formula;

m = F/a

net force F = 15.0N

Substituting the values

m = 15/5

m = 3 kg

The mass m is 3 kg

7 0

3 years ago

In a simple RC circuit, at t=0 the switch is closed with the capacitor uncharged. If C=30µF, =50V and R=10k, what is the poten

sergij07 [2.7K]

Answer:

Voltage across the capacitor is 30 V and rate of energy across the capacitor is 0.06 W

Explanation:

As we know that the current in the circuit at given instant of time is

i = 2.0 mA

R = 10 k ohm

now we know by ohm's law

$V = iR$

$V = (2 mA)(10 kohm)$

$V = 20 volts$

so voltage across the capacitor + voltage across resistor = V

$V_c + 20 = 50$

$V_c = 30 V$

Now we know that

$U = \frac{q^2}{2C}$

here rate of change in energy of the capacitor is given as

$\frac{dU}{dt} = \frac{q}{C} \frac{dq}{dt}$

$\frac{dU}{dt} = (30)(2 mA)$

$\frac{dU}{dt} = 0.06 W$

3 0

3 years ago

Which of the following is not true of a form?

Ludmilka [50]

Answer:

It can only display one record at a time

Explanation:

Form ;

1. This is a document with spaces (also called placeholders or fields ) in which a series of documents with similar content can be written or selected.

2.This is the most popular method of data entry

3.It may contain images in the background.

4.This can be sorted data regardless of its source of information.

Only option C is wrong.

Therefore the answer C is correct.

4 0

3 years ago