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Alekssandra [29.7K]
4 years ago
8

What is the primary mode of energy transfer from hot coffee inside a Thermos bottle to the environment? View Available Hint(s) P

art B What is the primary mode of energy transfer from your bare feet to a cold ceramic bathroom floor in the middle of winter? View Available Hint(s) Part C What is the primary mode of energy transfer from your body to your hands when you blow on them to warm them? Request Answer Part D What is the primary mode of energy transfer into your sealed car parked in the sun on a hot summer day? Request Answer Part E What is the primary mode of the flow of energy from your tongue to a metal railing if you happen to lick it on a cold winter day? Request Answer Part F What is the primary mode of energy transfer from a hair dryer to your wet hair? Request Answer Part G What is the primary mode of energy transfer from your body on a cold day with no wind? Request Answer Part H What is the primary mode of energy transfer away from your body on a very windy day?
Physics
1 answer:
Keith_Richards [23]4 years ago
8 0

Answer Part A: radiation

Part B: conduction

Part C: conduction

Part D: conduction

Part E: conduction

Part F: radiation

Part G::radiation

Part H : convection

Explanation:conduction is heat transfer through direct contact

Convection is through molecules or particles of water or air current

Radiation is heat transfer through empty space .

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Which law is described by saying that doubling the absolute temperature will double the pressure of a sample of gas in a rigid c
damaskus [11]

Answer:

Gay Lussac law

Explanation:

Gay Lussac law states that for a gas kept at constant volume (so, in a rigid container), the pressure of the gas is directly proportional to the absolute temperature.

In mathematical formula:

\frac{p}{T}=k

where

p is the gas pressure

T is the absolute temperature

According to this law, we see therefore that if the absolute temperature of the gas is doubled:

T' = 2T

The pressure will also double:

\frac{p}{T}=\frac{p'}{T'}\\p' = p \frac{T'}{T}=p\frac{2T}{T}=2p

8 0
3 years ago
Read 2 more answers
What is the amount of electrical potential is measured by?<br> A. ampere<br> B. watt<br> C. volts
VLD [36.1K]

Answer:

voltmeter  (C. Volts)

Explanation:

The amount of electrical potential is measured by voltmeter. Electrical potential is the amount of work needed to move a unit electric charge from a reference point to the specific point in an electric field. <u>The SI unit of electrical potential is Volt</u>.

brainliest?

3 0
3 years ago
A 6.20 g bullet moving at 929 m/s strikes a 850 g wooden block at rest on a frictionless surface. The bullet emerges, traveling
nekit [7.7K]

Answer:

(a) Final speed of block = 3.2896 m/s

(b) 6.7350 m/s is the speed of the bullet-block center of mass?

Explanation:

Given that:

Mass of bullet (m₁) = 6.20 g

Initial Speed of bullet (u₁) = 929 m/s

Final speed of bullet (v₁) = 478 m/s

Mass of wooden block (m₂) = 850g

Initial speed of block initial (u₂) = 0  m/s

Final speed of block (v₂) = ?

<u>By the law of conservation of momentum  as:</u>

<u>m₁×u₁ + m₂×u₂ = m₁×v₁ + m₂×v₂</u>

6.20×929 + 850×0 = 6.20×478 + 850×v₂

Solving for v₂, we get:

<u>v₂ = 3.2896 m/s</u>

Let the V be the speed of the bullet-block center of mass. So,

V = [m₁* u₁]/[m₁ + m₂]  (p before collision = p after collision)

   = [6.2 *929]/[5.2+850]

<u>V = 6.7350 m/s </u>

7 0
3 years ago
A car is traveling on the highway at 28 m/s The driver sees a tree in the middle of the road and slams on the brakes. The car co
wel

Answer:what are the answer options?

Explanation

3 0
3 years ago
Una bebida achocolatada contiene 559 calorías por porción, la persona que la compra desea saber su equivalente en térmias. Por l
amm1812
English one > A portion is how much food you choose to eat at one time, whether in a restaurant, from a package, or at home. A serving, or serving size, is the amount of food listed on a product's Nutrition Facts, or food label (see Figure 1 below).

Different products have different serving sizes, which could be measured in cups, ounces, grams, pieces, slices, or numbers—such as three crackers. A serving size on a food label may be more or less than the amount you should eat, depending on your age, weight, whether you are male or female, and how active you are. Depending on how much you choose to eat, your portion size may or may not match the serving size.

Spanish one > Una porción es la cantidad de comida que eliges comer a la vez, ya sea en un restaurante, en un paquete o en casa. Una porción, o tamaño de porción, es la cantidad de alimento que se indica en la información nutricional o en la etiqueta de un producto (consulte la Figura 1 a continuación).

Los diferentes productos tienen diferentes tamaños de porción, que se pueden medir en tazas, onzas, gramos, trozos, rebanadas o números, como tres galletas saladas. El tamaño de una porción en la etiqueta de un alimento puede ser mayor o menor que la cantidad que debe comer, dependiendo de su edad, peso, si es hombre o mujer y qué tan activo es. Dependiendo de la cantidad que elija comer, el tamaño de su porción puede o no coincidir con el tamaño de la porción.


buena suerte y tuve que traducir esto
7 0
3 years ago
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