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hammer [34]
3 years ago
8

The purpose of a cell phone cover is to protect your phone from impact forces. How does a cell phone case do this?

Physics
1 answer:
kaheart [24]3 years ago
7 0

Answer:

it covers your phone so when you drop it it reduces the chance and breaking

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What explains the key difference between a bomb calorimeter and a coffee cup calorimeter?.
Virty [35]

The key difference between a bomb calorimeter and a coffee cup calorimeter is high temperature.

<h3>What is bomb calorimeter?</h3>

A bomb calorimeter is an apparatus that can measure heats of combustion, used in various applications such as calculating the calorific value of foods and fuels.

<h3>What is coffee cup calorimeter?</h3>

A coffee cup calorimeter is a cup used to provide insulation when materials are mixed inside of it.

<h3>Difference between the two calorimeter</h3>
  • The coffee cup calorimeter can't be used for high-temperature reactions, either, because they would melt the cup.
  • A bomb calorimeter is used to measure heat flows for gases and ​high-temperature reactions

Learn more about calorimeter here: brainly.com/question/1407669

#SPJ1

3 0
2 years ago
Which molecule has charges that are free to move around?
borishaifa [10]
A polar molecules have charges that are free to move around
6 0
4 years ago
Which of these results in kinetic energy of an object? (1 point)
Aleksandr [31]
Motion I’m pretty sure
7 0
3 years ago
Read 2 more answers
An audi travels at 88 km/hr over a distance of 22 km. calculate.25 the time taken for the audi to travel this distance.
sammy [17]
The Audi covers 88 in one hour.
22 is one quarter of 88, so it takes one quarter of one hour. That's 15 minutes.
Note:. The answer would be the same for any other brand of car, motorcycle, airplane etc.
4 0
4 years ago
Light propagating in air strikes the surface of a lake. The reflected ray makes 62° angle with the normal. What angle does the r
blondinia [14]

Answer:

(a) 42°

Explanation:

According to the law of reflection:

Angle of incidence = Angle of reflection

So, angle of reflection = 62°

Angle of incidence = 62°

For refraction,

Using Snell's law as:

n_i\times {sin\theta_i}={n_r}\times{sin\theta_r}

Where,  

{\theta_i}  is the angle of incidence  ( 62.0° )

{\theta_r} is the angle of refraction  ( ? )

{n_r} is the refractive index of the refraction medium  (water, n=1.33)

{n_i} is the refractive index of the incidence medium (air, n=1)

Hence,  

1\times {sin62.0^0}={1.33}\times{sin\theta_r}

Angle of refraction = sin^{-1}0.6639 = 42°

4 0
3 years ago
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