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3 years ago

Explain what happens to the atoms in the reactants during a chemical reaction

Physics

1 answer:

xxMikexx [17]3 years ago

6 0

During a chemical reaction, atoms react with each other to form new products. hope this helps (:

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Which effects resulted from the development of new technologies, such as installation of solar panels or the use of geothermal e

loris [4]

The Solar electricity source of energy comes from the sun’s rays. It is more often in the form of a panel known as the solar panel. It has a photovoltaic system that generates and supplies energy in commercial and residential areas. Countries are using this type of electricity to save electric-induced power.

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4 years ago

A uniform disk has a moment of inertia that is (1/2)MR2. A uniform disk of mass 13 kg, thickness 0.3 m, and radius 0.2 m is loca

kicyunya [14]

The angular momentum of an object is equal to the product of its moment of inertia and angular velocity.
L = Iω
I = 1/2 MR²
I = 1/2 x 13 x (0.2)
I = 1.3

ω = 2π/t
ω = 2π/0.3
ω = 20.9

L = 1.3 x 20.9
= 27.2 kgm²/s

6 0

4 years ago

Read 2 more answers

The car transports 180 m in 12 s. Calculate its speed and express it in m / s and in km / h

makkiz [27]

Explanation:

Given parameters:

Distance = 180m

Time = 12s

Unknown:

Speed in m/s and km/hr

Solution:

Speed is the distance divided by the time taken,

Speed = $\frac{distance}{time}$

So;

Speed = $\frac{180}{12}$ = 15m/s

1000m = 1km

3600s = 1hr

Therefore;

15 x m x $\frac{1}{s}$ x $\frac{1km}{1000m}$ x $\frac{3600s}{1hr}$ = 54km/hr

5 0

3 years ago

The National Aeronautics and Space Administration (NASA) studies the physiological effects of large accelerations on astronauts.

m_a_m_a [10]

Answer:

$v = 23.95 m/s$

Explanation:

As we know that when astronaut is revolving in circular path then the acceleration of the astronaut is due to centripetal acceleration

so it is given as

$a_c = \frac{v^2}{R}$

here we know that

$a_c = 4.50 g$

also we know that

$R = 13 m$

now we have

$4.50 \times 9.81 = \frac{v^2}{13}$

$v = 23.95 m/s$

3 0

4 years ago

If a 10,000 g mass is suspended from a rope, what is the tensile force in the rope?

nadezda [96]

To solve this problem we will apply Newton's second law and the principle of balancing Forces on the rope. Newton's second law allows us to define the weight of the mass, through the function

$F = ma\rightarrow F =mg$