i need help in (a) and (c)
please at least try​

Answer:

I believe that it will be 10kg of water

Explanation:

Because a measure of the amount of information on a storage medium (tape or disk). For magnetic tape it is the amount of information recorded per unit length of tape (bits per inch or millimeter); for a disk, a fixed number of bits per sector, sectors per track, and tracks per disk.

The density in both the case will be equal, just the difference will be in the volume they occupy.

In practice, density is the weight of a substance per unit volume. Water has a density of about 1 gram per milliliter, but this varies depending on temperature and whether or not substances are dissolved in it. Because ice is less dense than liquid water, it floats in your glass.

This allows many aquatic organisms to survive the winter. If ice were more dense than water, it would continue to freeze and sink until the entire lake was frozen.

Any amount of water has the same density. Whereas one gram of water has a volume of one milliliter, ten grams have a volume of ten milliliters.

Thus, the density will be same.

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Temporary magnets require electric current to produce magnetism and magnetic field lines B) Temporary magnets

In electromagnets, their magnetism is dependent on electricity  with an iron core in the center. If we add an iron core to a solenoid, we can increase its magnetic field strength . When we connect  a battery to a solenoid and wrap the sanded copper wire around a nail, a magnetic field is created. This force is generated by the magnetic field that's  created when current flows through the coil.

As long as there is a direct current running  through the coil, the nail will retain its magnetic properties. However, once the current stops, the magnetism of the nail is lost .  Creating electromagnets can be achieved by winding wire around the iron core.

The advantages of electromagnets are :

To learn more about Magnets

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Answer:

Answer is A

Explanation:

the answer is A

Explanation:

Given

mass (m) = 780 kg

acceleration (a) = 4 m/s²

Force (F) = ?

We know

F = m * a

= 780 * 4

= 3120 Newton

The car is generating 3120 Newton force.

Hope it helps :)

Answer:

A thermistor is an electrical device, a thermally sensitive semiconductor resistor, whose resistance changes in response to temperature. Thermistors are made in a variety of ways including thin films (SiC).

Explanation:

hope it helps

Answer:

150,000N

Explanation:

Force=Mass*Acceleration

F=ma

Mass of the rocket=1000Kg

Acceleration=150 m/s²

Force=1000*150=150,000kgm/s²=150,000N

Answer:

metal because A: In general, metals feel colder or hotter to the touch than other materials at the same temperature because they're good thermal conductors. This means they easily transfer heat to colder objects or absorb heat from warmer objects. Thermal insulators like plastic and wood don't transfer heat as easily.

Explanation:

Answer:

Hydrogen (H), a colourless, odourless, tasteless, flammable gaseous substance that is the simplest member of the family of chemical elements.

Explanation:

Answer:

It is a chemical element

Explanation:

Answer:

the first questions answer is- the pressure is the same (balanced) outside and inside the window.

the second questions answer is- the atmospheric pressure increases.

Explanation:

I hope that this is what you were looking for.

Answer:

Conduction

Explanation:

Because they touch lol

Answer:

Conduction

Explanation:

Because induction is the pass of electricity without contact and conduction is the complete opposite

Answer:

dhrh4b

Explanation:

hours rbergrehebbeb3j3

Answer:

It's solar because if you leave a tv on for longer it gets hot and obviously it produces light and sound so, by subject of elimination, it's solar.

Explanation:

Answer:

I think solar because the thermal and sound and light are like a part of the tv (sorry for my English)

Answer:d

Explanation:

Answer:

I believe the answer would be B

Answer:

Count your pulse for 60 seconds.  

Explanation:

This isn't physics, this quesiton should be marked in health.

Answer:

Once oxygen has entered the blood from the lungs, it is taken up by haemoglobin (Hb) in the red blood cells. ... Each molecule of haemoglobin can hold four oxygen molecules. It is haemoglobin that carries the oxygen as it is transported around the body in the blood.

Explanation:

Answer:

MIRROR

Explanation:

Answer:

reflection of light is the bouncing back of light rats when it falls on a smooth surface or polish surface.

Answer:

D :} if not that is A  that what my thing say where correct

Explanation:

Answer:

A.) infra-red

Explanation:

Answer:

18750 kg-m/s

Explanation:

Momentum = mass x velocity 

Answer:

18750 kg-m/s

Explanation: Momentum = mass x velocity 750x25 = 18750 kg-m/s

Can you brainlist

Answer:

Velocity increases

Explanation:

Gravity is constant, except when discussing "apparent weight"

Mass is constant here

Air resistance would actually increase

Velocity DOES increase, because Earth is pulling the jumper downwards with an unbalanced force. The unbalanced force creates acceleration (-9.81 m/s^2), which means his velocity is increasing constantly.

Answer:

B.

Explanation:

Answer:

i do not know

Explanation:

im doing for education too

Answer:

I don't know too . want to help but I don't know how .

Explanation:

sorry bro . I want to have points eeek . :/

Answer:

Europium has a bright shiny surface. it's steel grey and has a melting point of 826 degree Celsius and a boiling point of about 1,489 degree Celsius.

Explanation:

the density is 5.24 grams per cubic centimeter.

Answer:

The center of mass changes

Explanation:

The higher the center of mass the more likely things are to topple over but the lower it is the more likely to stay put when all 4 wheels are down .

Answer: Gravitational Potential Energy

Explanation:

mercury??????? my only guess

Mercury is that it?                        

Answer:

3×10^6

Explanation:

frequency is the speed of light ( c) which is a constant number divided the wavelength

f = 3×10^6 / 1.0