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julsineya [31]
4 years ago
9

Technician A says that other temperature sensors that operate like the ECT include transmission fluid temperature (TFT), and eng

ine oil temperature sensors. Technician B says that all temperature sensors increase in resistance as the temperature decreases. Who is right?
Physics
1 answer:
PIT_PIT [208]4 years ago
5 0

Answer Choices:

a. Technician A only

b. Technician B only

c. Both technicians A and B

d. Neither technician A nor B

Explanation:

a. Technician A only

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The frequency of a wave increases when the energy increases
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Yes, that’s very inspiring.
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A roller coaster has a mass of 1200.0kg. The coaster is going 22.0 m/s at the bottom
padilas [110]

Answer:

h = 27.17 m

Explanation:

First, we will calculate the total mechanical energy of the system at the bottom point of the third loop:

Mechanical Energy = Kinetic Energy + Potential Energy

E = \frac{1}{2}mv^2 + mgh

where,

E = Total Mechanical Energy = ?

m = mass of the roller coaster = 1200 kg

v = velocity of the roller coaster = 22 m/s

g = acceleration due to gravity = 9.81 m/s²

h = height of roller coaster = 2.5 m

Therefore,

E = \frac{1}{2}(1200\ kg)(22\ m/s)^2+(1200\ kg)(9.81\ m/s^2)(2.5\ m)\\\\E = 290400 J +29430\ J\\\\E = 319830\ J = 319.83\ KJ

Now, the total mechanical energy at the top position of the first hill must also be the same:

E = \frac{1}{2}mv^2 + mgh

where,

v = 0 m/s

h = ?

Therefore,

319830\ J = \frac{1}{2}(1200\ kg)(0\ m/s)^2+(1200\ kg)(9.81\ m/s^2)(h)\\\\h = \frac{319830\ J}{11772\ N}\\\\

<u>h = 27.17 m</u>

5 0
2 years ago
Calculate the kinetic energy of a 1000 kg car traveling at 30 m/s, a typical speed on a<br> highway.
Arte-miy333 [17]

The kinetic energy of the car is 4.5\cdot 10^5 J

Explanation:

The kinetic energy of an object is the energy possessed by the object due its motion. It is given by

E_k = \frac{1}{2}mv^2

where

m is the mass of the object

v is its speed

For the car in this problem, we have:

m = 1000 kg is its mass

v = 30 m/s is its speed

Substituting into the equation, we find the kinetic energy of the car:

E_k = \frac{1}{2}(1000)(30)^2=4.5\cdot 10^5 J

Learn more about kinetic energy:

brainly.com/question/6536722

#LearnwithBrainly

7 0
3 years ago
Professional assessments are the only reliable method for determining an individual's levels of health-related fitness.
tatuchka [14]

The given statement is true.

<u>Explanation:</u>

Professional assessments are nothing but training a person to do or complete a work in a good and professional manner.  Professional assessments are one kind of way to make the person or individual do all the respective work in a skillful and professional manner.

They are a reliable method to improve certain qualities of an individual and can be considered as the only main method to determine the health related fitness of an individual.  There are no other health methods that can be used to determine the heath level of an individual.  Hence the above provided statement can be concluded as true.

7 0
3 years ago
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