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Tema [17]
3 years ago
9

Any five physics problems

Physics
1 answer:
kow [346]3 years ago
7 0

Explanation:

There are still some questions beyond the Standard Model of physics, such as the strong CP problem, neutrino mass, matter–antimatter asymmetry, and the nature of dark matter and dark energy.

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Which example best shows a person using the principle of force in an activity?
sleet_krkn [62]
A bowler throws a bowling ball that rolls down the lane, im like 98% sure it’s that one
6 0
2 years ago
What would be the final size of a balloon, at -18*C, if the initial volume is 2.0 L and the initial temperature is 20*C?
Anuta_ua [19.1K]

Answer:

1.7 L

Explanation:

PV = nRT

If P, n, and R are constant:

V₁ / T₁ = V₂ / T₂

(2.0 L) / (293.15 K) = V / (255.15 K)

V = 1.7 L

7 0
3 years ago
Determine the value of the resistor r so that a current of 0.5a flows through the load.
iren2701 [21]
What is the value of the voltage? There must be one somewhere.

This might be too simple minded, but I'll give it a voltage of 10 Volts.

R = voltage / Current
R = 10 / 0.5
R = 20 volts. 

Perhaps you could post a diagram if this is a Kirchhoff Law Question.
8 0
3 years ago
6.A truck is carrying a steel beam of length 13.0 m on a freeway. An accident causes the beam to be dumped off the truck and sli
labwork [276]

The magnitude is 13.12 mV.

The steps are attached below.

<h3>How do you find the magnitude of an induced emf?</h3>

The standard SI unit of the magnetic field is the tesla (T). As an end result, we can use these equations and the equation for an induced emf due to changes in magnetic flux, ϵ=−NΔϕΔt ϵ = − N Δ ϕ Δ t, to calculate the importance of a precipitated emf in a solenoid.

The magnitude of the precipitated contemporary depends on the rate of trade of magnetic flux or the fee of reducing the magnetic area strains.

Learn more about the magnitude here: brainly.com/question/18109453

#SPJ2

3 0
2 years ago
Read 2 more answers
ТОРмозной путь тягача 20 м, чему равно ускорение, если время торможения составило 15 с, если начальная скорость была 15 м\с. (от
Travka [436]

Ответ:

Пояснение:

Используя уравнение движения S = ut + 1 / 2at², где;

U - начальная скорость = 15 м / с

а - ускорение

s - пройденное расстояние = 20м

t - время = 15 секунд

подставляем в формулу заданные параметры

20 = 15 (15) + 1 / 2a (15) ²

20 = 225 + 225a / 2

20 = 225 + 112,5a

20-225 = 112,5a

-205 = 112,5a

а = -205 / 112,5

а = -1,82

Отсюда ускорение -1,82

3 0
3 years ago
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