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ivann1987 [24]
3 years ago
13

Technician A says that a power-assisted brake system reduces stopping distances compared to a nonpower-assisted brake system. Te

chnician B says that the power-assisted brake system reduces the force that the driver must exert on the brake pedal. Which technician is correct?
Physics
1 answer:
yanalaym [24]3 years ago
4 0

Answer:

Technician B

Explanation:

here on analyzing both the statements from technician A and technician B. The Statement from Technician B is more logical and correct. That the power-assisted brake system reduces the force that the driver must exert on the brake pedal.

The power-assisted brake system does not reduce the distance of stopping. What it does is it reduces the force to be applied by the driver. Thus, making the drive more comfortable.

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Water cannot be suctioned higher than 10.4 m because at that point
beks73 [17]
Yes the water can be auctioned higher than 10.4
3 0
2 years ago
The filament of a lightbulb has a resistance of R0=12Ω at 20 ∘C and 140 Ω when hot. Part APart complete Part B In this temperatu
solong [7]

Answer:

T = 2390 degree C

Explanation:

Given data:

Resistance 12 ohm

Temperature 20 degree C

Resistance _{HOT} = 140 ohm

we know that linear relation between the resistance and temperature is given asR = R_O[ 1+ \alpha ( T - T_o)]

where R_O is resistance at _o, and \alpha = coefficient of resistivity

140 = 12 \times ( 1 + 0.0045 \Delta T}

SOLVING FOR \Delta T

\Delta T = 2370 degree C

WE KNOW

\Delta T = T - T_o

T = 2370 + 20

T = 2390 degree C

4 0
3 years ago
Choose the statements that correctly describe a scientific theory. Select all that apply.
Basile [38]

The statement that correctly describes a scientific theory is option b.

  • A scientific theory is a thorough justification for a certain phenomenon in the natural world that is based on a body of data that has been repeatedly confirmed via observation and experiment. These concepts are accurate explanations of reality rather than just "guesses." It is possible to test scientific hypotheses and produce predictions that can be refuted.
  • Option a is incorrect because a scientific theory is supported by data and evidence.
  • Option c is incorrect because a scientific theory is not based on opinions but rather facts.
  • Option d is incorrect because a scientific theory is not likely to change over time with new incoming data.

To learn more about scientific theory visit :

brainly.com/question/17050172

#SPJ9

4 0
2 years ago
Estimate the force required to bind the two protons in the He nucleus together. (Hint: Model the protons as point charges. Assum
scoray [572]

Answer:

 F = 2.30 10⁴ N

Explanation:

The force required to link two gates must be equal to or greater than the electrostatic force of repulsion, because the protons have equal charges.

                 F = k q₁ q₂ / r²

Where k is the Coulomb constant that is worth 8.99 10⁹ N m² / C²

   In this case the proton charge is 1.6 10⁻¹⁹ C and the distance between them is approximately the diameter of the core r = 10⁻¹⁵ m

Let's calculate

              F = 8.99 10⁹ (1.6 10⁻¹⁹)² / (10⁻¹⁵)²

              F = 2.30 10⁴ N

The bond strength must be equal to or greater than this value

3 0
3 years ago
Which circle has minimum flux in the following figure?
Feliz [49]

Answer:

Circle Q

Explanation:

The flux of a field through a surface is given by:

\Phi = F A cos \theta

where

F is the field strength

A is the area of the surface

\theta is the angle between the direction of the field and the normal to the surface

In the figure, we see that the 4 surfaces have different orientations, so different angle \theta. In the formula, we see that the flux is maximum when \theta=0^{\circ}, which occurs when the field is perpendicular to the surface, and the flux is zero when \theta=90^{\circ}, (because cos 90^{\circ}=0) which occurs when the field is parallel to the surface.

In the figure, we see that circle Q is parallel to the direction of the field, so in this case the field is zero, while in all the other cases is not.

So, the correct answer is

Circle Q

6 0
4 years ago
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