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koban [17]
3 years ago
6

Imagine that someone is sitting down to enjoy a cup of coffee or hot chocolate. Use your experiences to describe how heat flows

from the drink to its surroundings. Be as detailed as possible.
Physics
2 answers:
Reika [66]3 years ago
8 0

The heat flows into my body and I start with a warming feeling going down my throat as it starts there I get this warm feeling and I break out in a coldsweat from consuming a warm drink a cold drink will help cool me down :

Explanation:

If drink warm will make u warm drinking cool will make u cool down faster

il63 [147K]3 years ago
5 0

Answer:

The hot drink heats the air and the cup that’s in direct contact with the drink. The cup heats the person’s hand too. Heat radiates outward from the cup. Heat moves upward when steam is produced.

Explanation:

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How are force, mass and acceleration related?
Zepler [3.9K]

Newton's 2nd law of motion:

F = ma

F is force, m is mass, and a is acceleration.

6 0
3 years ago
An elderly sailor is shipwrecked on a desert island but manages to save his eyeglasses. The lens for one eye has a power of 1.16
igomit [66]

Answer:

m = 8

Explanation:

A telescope is a device that allows us to see objects that were very far from us, it is built by the combination of two lenses, the one with the lowest focal length near the eye and that is the one or the one with the greatest focal length, the most eye-flounder . The magnification of the telescope is

            m = - f₀ / f_{e}

Where f₀ is the focal length of the lens and f_{e} is the false distance of the eyepiece.

It is this problem that gives us the diopter of each lens, these are related to the focal length in meters

           D = 1 / f

Let's find the focal length

       f₁ = 1 / D₁

       f₁ = 1 / 1.16

       f₁ = 0.862 m

     

        f₂ = 1 / 9.37

        f₂ = 0.1067 m

Therefore, the lens with f₂ is the eyepiece and the slow one with the  

distance focal  f₁ is the objective.

Let's calculate

       m = - f₂ / f₁

      m = - 0.862 / 0.1067

      m = 8

8 0
3 years ago
two objects were lifted by a machine. One object had a mass of 2 kilograms, was lifted at a speed of 2m/sec . The other had a ma
Lubov Fominskaja [6]

Object 2 has more kinetic energy

Explanation:

The kinetic energy of an object is the energy possessed by the object due to its motion, and it is given by

K=\frac{1}{2}mv^2

where

m is the mass of the object

v is its speed

In this problem, for object 1:

m = 2 kg

v = 2 m/s

So its kinetic energy is

K_1 = \frac{1}{2}(2)(2)^2=4 J

For object 2,

m = 4 kg

v = 3 m/s

So its kinetic energy is

K_2 = \frac{1}{2}(4)(3)^2=18 J

Therefore, object 2 has more kinetic energy.

Learn more about kinetic energy:

brainly.com/question/6536722

#LearnwithBrainly

5 0
3 years ago
Explain why radiation is dangerous to humans
tia_tia [17]
Radiation damages the cells that make up the human body, it can even cause cancer
7 0
3 years ago
Read 2 more answers
If a 20kg object is moved across the floor and the coefficient of friction is 0.255. What is the frictional force?
Sladkaya [172]

Ff=μN=μmg=0.255*20=5.1 N

5 0
3 years ago
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