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Rainbow [258]
3 years ago
15

What are some things that doesn't move in a circular motion or are non examples of circular motion?

Physics
2 answers:
photoshop1234 [79]3 years ago
7 0

Answer:In non-uniform circular motion, an object's motion is along a circle, but the object's speed is not constant. In particular, the following will be true. The object's velocity vector is always tangent to the circle. The speed and angular speed of the object are not constant

Explanation:In non-uniform circular motion an object is moving in a circular path with a ... Since the speed is changing, there is tangential acceleration in ... Here is an example with an object traveling in a straight path

GuDViN [60]3 years ago
3 0
1: Радиус окружности постоянен (как при движении по круговой железной дороге или по автомобильной дороге). Изменение в
v
v
изменит величину радиального ускорения. Это означает, что центростремительное ускорение не является постоянным, как в случае с равномерным круговым движением. Чем больше скорость, тем больше радиальное ускорение. Частице, движущейся с более высокой скоростью, потребуется большая радиальная сила, чтобы изменить направление, и наоборот, когда радиус круговой траектории постоянен.

2: Радиальная (центростремительная) сила постоянна (как спутник, вращающийся вокруг Земли под действием постоянной силы тяжести). Круговое движение регулирует радиус в зависимости от изменения скорости. Это означает, что радиус круговой траектории является переменным, в отличие от случая равномерного кругового движения. В любом случае уравнение центростремительного ускорения в терминах «скорости» и «радиуса» должно выполняться. Здесь важно отметить, что, хотя изменение скорости частицы влияет на радиальное ускорение, на изменение скорости не влияет ни радиальная, ни центростремительная сила. Нам нужна тангенциальная сила, чтобы повлиять на изменение величины тангенциальной скорости. Соответствующее ускорение называется тангенциальным ускорением.
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A cassette recorder uses a plug-in transformer to convert 120 V to 12.0 V, with a maximum current output of 200 mA. What is the
goldfiish [28.3K]

Answer:

20 mA

Explanation:

We have given that the transformer convert 120 V to 12 V means it is a step down transformer

The turn ratio of the transformer is given as a=\frac{N_1}{N_2}=\frac{V_1}{V_2}=\frac{120}{12}=10 here V_! is primary voltage and V_2 is secondary voltage

As the voltage decreases from primary to secondary so current will increase from primary to secondary

We have given output current that is secondary current so primary that is input current will be less

So input current =\frac{200}{10}=20mA

4 0
3 years ago
It is determined that a certain light wave has a wavelength of 3.012 ×10−12 m. The light travels at 2.99 ×108 m/s. What is the f
horsena [70]

Answer:

Explanation:

velocity=frequency*wavelength

velocity = 2.99*10^8 m/s

frequency = ?

wavelength = 3.012*10^-12

2.99*10^8m/s = (f)(3.012*10^-12)

f=9.58*10^19 Hertz    

5 0
3 years ago
Claire just purchased a new silk dress for her school’s winter formal. She loves the feel of silk and keeps rubbing it with her
bezimeni [28]

Answer:

C.

would adapt if the dress were held completely still

Explanation:

3 0
3 years ago
Read 2 more answers
Would it be true that if you double the distance of an astronaut from a planet, the gravitational pull between them would be hal
velikii [3]

Answer:

Yes

Explanation:

Newton's law of universal gravitation is usually stated that every particle attracts every other particle in the universe with a force which is directly proportional to the product of their masses(m1 and m2) and inversely proportional to the square of the distance between their centers(r).

F = Gm1m2/r²

This is a general physical law derived from

empirical observations by what Isaac Newton called inductive reasoning.

when distance is doubled the gravitational force will be reduced by quarter not half.

5 0
3 years ago
Read 2 more answers
A charging RC circuit controls the intermittent windshield wipers in a car. The emf is 12.0 V. The wipers are triggered when the
lilavasa [31]

Answer:

R=803k\Omega

Explanation:

We have the following information,

V_0 = 12V\\V=10V\\c= 1.25*10^{-6}F\\t=1.8s

We apply the equation for capacitor charging the voltage across it,

V=V_0 (1-e^{-t/x})\\e^{-t/x}=1-(\frac{V}{V_0})\\-\frac{t}{Rc}=ln(\frac{V}{V_0})\\R=-\frac{t}{ln(\frac{V}{V_0})*c}

Replacing values,

R=-\frac{1.8}{ln(10/12)*1.25*10^{-6}}

R=803k\Omega

3 0
3 years ago
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