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skad [1K]
2 years ago
7

Consider the f(x) = Acos(x) function shown in the figure in blue color. What is the value of amplitude A for this function?

Physics
1 answer:
Alex73 [517]2 years ago
3 0

The amplitude of the red colored wave is 1 unit and the amplitude of the red colored wave is 2.1 unit.

<h3>What is amplitude of a wave?</h3>

The amplitude of a wave is the maximum displacement of the wave. It can also be described at the maximum upward displacement of a wave curve.

<h3>Amplitude of the red colored wave</h3>

From the graph, the amplitude of the red colored wave is 1 unit.

<h3>Amplitude of the blue colored wave</h3>

From the graph, the amplitude of the red colored wave is 2.1 unit.

Thus, the amplitude of the red colored wave is 1 unit and the amplitude of the red colored wave is 2.1 unit.

Learn more about amplitude here: brainly.com/question/3613222

#SPJ1

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What is the kinetic energy of a 1.0-kg billiard ball that moves at 5.0 m/s?
romanna [79]
K=1/2(mass)(velocity)^2
Mass=1.0
Velocity=5.0
K=1/2(1)(5)^2
K=12.5 J 
3 0
3 years ago
Calculate the minimum average power output necessary for a person to run up a 12.0 m long hillside, which is inclined at 25.0° a
Viktor [21]

Answer:

Power, P = 924.15 watts

Explanation:

Given that,

Length of the ramp, l = 12 m

Mass of the person, m = 55.8 kg

Angle between the inclined plane and the horizontal, \theta=25^{\circ}

Time, t = 3 s

Let h is the height of the hill from the horizontal,

h=l\ sin\theta

h=12\times \ sin(25)

h = 5.07 m

Let P is the power output necessary for a person to run up long hill side as :

P=\dfrac{E}{t}

P=\dfrac{mgh}{t}

P=\dfrac{55.8\times 9.8\times 5.07}{3}

P = 924.15 watts

So, the minimum average power output necessary for a person to run up is 924.15 watts. Hence, this is the required solution.

3 0
3 years ago
Use of a buffered temperature probe is the most accurate way to measure actual vaccine temperatures.
Marianna [84]

The most precise method for determining the actual temperature of vaccines is to use a buffered temperature probe.

<h3>What is temperature?</h3>

Temperature directs to the hotness or coldness of a body. In clear terms, it is the method of finding the kinetic energy of particles within an entity.

Temperature is essential in all areas of Science right from Physics to Geology and also it is important in most parts of our everyday life.

The complete question is;

"What type of device should be used for measuring temperatures in a vaccine storage unit?"

A temperature monitoring system is required in every vaccine storage facility.

A buffered temperature probe offers the most precise storage unit temperature information, including a thorough history of how long a unit has been running beyond the advised temperature range.

Hence, the use of a buffered temperature probe is the most accurate way to measure actual vaccine temperatures.

To learn more about the temperature refer to the link;

brainly.com/question/7510619

#SPJ1

7 0
2 years ago
The specific heat capacity of ethanol is 2440J/kg °C. How many joules of energy will be required to heat 150g ethanol to 35°C if
m_a_m_a [10]

Answer:

Required energy = 4758 J

Explanation:

Specific heat capacity of a material is the amount of energy required to raise the temperature of one kilogram (kg) of that material through one degree Celsius (°C).    

Given data :

Specific heat capacity = c = 2440 J/kg.°C

Mass = m = 150 g = 0.15 kg

Initial temperature = 22°C

Final temperature = 35°C

Change in Temperature = ΔT = 13°C

Energy = E = ?

Using the following formula and substituting the values, we get:

E = m × c × ΔT

E = 0.15 × 2440 × 13

E = 4758 J

8 0
3 years ago
Two racecars are driving at constant speeds around a circular track. Both cars are the same distance away from the center of the
Phantasy [73]

Answer :

D : four times

7 0
3 years ago
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