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3 years ago

What is the definition of Potential Energy?

Physics

1 answer:

Margarita [4]3 years ago

5 0

Answer: its The ability to do work or cause change. Energy of an object due to its motion.

Explanation:In physics, potential energy is the energy held by an object because of its position relative to other objects, stresses within itself, its electric charge, or other factors.

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Where and when does the sun stay up for 24hours

DIA [1.3K]

Answer:

abisko, sweden

Explanation:

A bisco is the home to their eyes sky station an epic center for Aurora expanses and northern Sweden. During summer months, the Sun Bates to town and up to 24 hours of sunlight per day.

5 0

2 years ago

A real power supply can be modeled as an ideal EMF of 60 Volts in series with an internal resistance. The voltage across the ter

lara31 [8.8K]

Answer:

5 ohms

Explanation:

Given:

EMF of the ideal battery (E) = 60 V

Voltage across the terminals of the battery (V) = 40 V

Current across the terminals (I) = 4 A

Let the internal resistance be 'r'.

Now, we know that, the voltage drop in the battery is given as:

$V_d=Ir$

Therefore, the voltage across the terminals of the battery is given as:

$V= E-V_d\\\\V=E-Ir$

Now, rewriting in terms of 'r', we get:

$Ir=E-V\\\\r=\frac{E-V}{I}$

Plug in the given values and solve for 'r'. This gives,

$r=\frac{60-40}{4}\\\\r=\frac{20}{4}\\\\r=5\ ohms$

Therefore, the internal resistance of the battery is 5 ohms.

5 0

3 years ago

What is the volume of an object if it has a mass of 10 grams and a density of 87 g/ml

belka [17]

Answer:

<h3>The answer is 0.115 mL</h3>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

$volume = \frac{mass}{density} \\$

From the question

mass = 10 g

density = 87 g/ml

We have

$volume = \frac{10}{87} \\ = 0.114942528...$

We have the final answer as

Hope this helps you

5 0

2 years ago

Why is sound not an electromagnetic wave

pishuonlain [190]

Answer:

There is no sound in space because there are no molecules there to transmit the sound waves. Electromagnetic waves are not like sound waves because they do not need molecules to travel. This means that electromagnetic waves can travel through air, solid objects and even space.

8 0

2 years ago

Read 2 more answers

- An experienced pilot can keep an engineless glider aircraft aloft for hours by

Annette [7]

Answer:

F<em>lift=</em>5.00×10³ N

F<em>horizontal</em>=0.50×10³ N

F<em>g</em>=4.80×10³ N

Explanation:

A free-body diagram of the glider.

pretend this is a number line

| F<em>lift</em>

|---->F<em>horizontal</em>

| F<em>g</em>

∨

hope this helps! :)

6 0

2 years ago