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3 years ago

How many nutrons are in an atom of copper

Physics

2 answers:

xeze [42]3 years ago

8 0

Answer:

35 neutrons are in an atom of copper

nikitadnepr [17]3 years ago

7 0

There are two stable isotopes of copper. Their atomic weights are 63 and 65.

Since the atomic number of copper is 29, those isotopes' nuclei have 34 neutrons and 36 neutrons respectively.

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A spaceship is traveling through deep space towards a space station and needs to make a course correction to go around a nebula.

expeople1 [14]

Answer:

Magnitude = 3.64 × $10^6$

စ = 43.9°

Explanation:

given data

ship to travel = 1.7 × $10^6$ kilometers

turn = 70°

travel an additional = 2.7 × $10^6$ kilometers

solution

we will consider here

Px = 1.7 × $10^6$

Py = 0

Qx =2.7 × $10^6$ cos(70)

Qy= 2.7 × $10^6$ sin(70)

so that

Hx = Px + Qx ............1

Hx = 2.62 × $10^6$

and

Hy = Py + Qy ..........2

Hy = 2.53 × $10^6$

so Magnitude = $\sqrt{((2.62 \times 10^6 )^2+(2.53 \times 10^6)^2)}$

Magnitude = 3.64 ×

so direction will be

tan စ = Hy ÷ Hx ......................3

tan စ = $\frac{2.53}{2.62}$

tan စ = 0.9656

စ = 43.9°

3 0

3 years ago

Which of the following statement is false

guajiro [1.7K]

There is nothing to choose from

8 0

3 years ago

Read 2 more answers

According to the definition of power, a powerful person is able to do which of the following?

Nadya [2.5K]

Power is energy per unit time. If he is powerful, it means he can spend more energy in short span of time, so option C ( i.e. <span>do more work in less time) is correct.</span>

5 0

3 years ago

Amazon has hired you to help design a new fleet of robots to work in their warehouse. You are trying to decide how powerful the

solmaris [256]

The minimum power is 490 W

Explanation:

The work that needs to be done by the robot in order to climb the shelves is equal to the gain in gravitational potential energy of the robot + object, therefore:

$W=mg \Delta h$

where

m = 15 kg + 5 kg = 20 kg is the total mass of the system

$g=9.8 m/s^2$ is the acceleration of gravity

$\Delta h = 20 m$ is the change in height

Substituting,

$W=(20)(9.8)(20)=3,920 J$

Now we can calcualte the power (wattage) that the robot must have, using the equation

$P=\frac{W}{t}$

where

W = 3,920 J is the work done

t = 8 s is the time interval

Substituting,

$P=\frac{3920}{8}=490 W$

Learn more about power:

brainly.com/question/7956557

#LearnwithBrainly

3 0

3 years ago

How high off the ground is a a book that has 120 J of potential energy and a 4-kg mass

RoseWind [281]

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7 0

3 years ago