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castortr0y [4]
3 years ago
8

Write a hypothesis about the use of an object’s physical characteristics to determine its density. Use the format "if . . . then

. . . because . . .” and be sure to answer the lesson question "How can the density of an object be determined?” BE ORIGINAL AND SIMPLE
Physics
1 answer:
Ad libitum [116K]3 years ago
7 0

Answer:

If an object has a high density then the molicules making up that object are closly packed togeather. Because of this, objects with a higher density will have more mass than objects of the same size that have a lesser density.

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What is a delta?<br><br><br><br><br><br><br><br><br><br> 20 characters...
Mars2501 [29]

Answer:

A river delta is a landform created by deposition of sediment that is carried by a river as the flow leaves its mouth and enters slower-moving or stagnant water. This occurs where a river enters an ocean, sea, estuary, lake, reservoir, or another river that cannot carry away the supplied sediment.

plz follow me

8 0
3 years ago
Calculate the amount of heat needed to increase the temperature of 200 grams of water at 10°C to 95°C.
Alexus [3.1K]

the amount of heat need is 71060 Joules

Explanation

The equation for the amount of heat needed to increase the temperature of water is as follows:

\begin{gathered} E=mC(T_2-T_1) \\ where \\  \\  \end{gathered}

where E is the amount of heat

C is the specific heat capacity of water having a standard value of 4180 J/kg*K

T is the final ans initial temperature in kelvin

m is the mass

so

Step 1

given

\begin{gathered} mass=m=200\text{ gr=0.2 kg} \\ T_1=10\text{ \degree C} \\ T_2=95\text{ \degree C} \\ C=4180\text{ J/kh*K} \end{gathered}

a) convert the temperature into kelvin

\begin{gathered} 10\text{ \degree C=\lparen10+273\rparen K=283 K} \\ 95\text{ \degree C=\lparen95+273 \rparen K=368 K} \end{gathered}

now, replace in the formula

\begin{gathered} E=mC(T_{2}-T_{1}) \\ E=0.2\text{ kg*4180L/kg*K*\lparen368K-283 k\rparen} \\ E=71060\text{ J} \end{gathered}

therefore, the amount of heat need is 71060 Joules

I hope this helps you

7 0
1 year ago
Read 2 more answers
Gravity is greater when there is
Papessa [141]
-- more mass involved

-- less distance between the two objects
4 0
3 years ago
You can answer this to get points its not an actual question
larisa86 [58]

Answer:

the electromagnetic pulse

Explanation:

8 0
3 years ago
Read 2 more answers
The salinity of the oceans has been relatively constant throughout geologic time because salt is removed at the same rate at whi
tia_tia [17]

True

Explanation:

It is correct to say that the salinity of the oceans has been relatively constant throughout geologic time because salt is removed at the same rate it has been added.

Salinity is the amount of dissolved salt found in the ocean. It is the degree of saltiness of the ocean.

  • The rate at which salt has been added into the ocean over the years through geologic time has been very constant.
  • Most salts in the ocean comes from land.
  • Also the rate it has been removed is fairly constant.
  • The salinity of ocean has once been used to date the age of the earth.

learn more:

Salinity brainly.com/question/10491444

#learnwithBrainly

5 0
3 years ago
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