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3 years ago

How many minutes will it take to drive to los angeles from san francisco if an average speed of 72mi/hr is maintained?

1 answer:

6 0

The distance between Los Angeles and San Francisco is approximately 381.9mi.
Divide this distance by the speed.
381.9/72 = 5.3
You are left with the time in hours. To convert to minutes, multiply by 60.
5.3*60 = 318.25

Therefore, it will take 318.25 minutes.

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3 years ago

A dragster completed a 402.3-(0.2500-mi) run in 5.023s. If the car had a constant acceleration, what was its acceleration and fi

Ray Of Light [21]

Answer:

v = 80.092 m/s

a = 15.945 m/s²

Explanation:

Given,

The distance completed by the dragster, d = 402.3 m

The time taken by the dragster to complete that distance is, t = 5.023 s

The initial velocity of the dragster, u = 0

The final velocity of the dragster, v = ?

The acceleration of the dragster, a = ?

The velocity of the body is given by the formula

v = d/t m/s

Substituting the above values inn the equation

v = 402.3 m / 5.023 s

= 80.092 m/s

So, the velocity of the dragster is, v = 80.092 m/s

The acceleration of the body is given by the formula

a = (v - u)/t m/s²

Substituting the above values in the equation

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= 15.945 m/s²

Hence, the acceleration of the dragster is, a = 15.945 m/s²

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3 years ago

A solution has a pH of 8. Which best describes the solution?

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Explanation:

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3 years ago

Read 2 more answers

if charge is located at center of spherical volume and electric flux through surface of sphere is Φ what would be flux through s

jonny [76]

Answer:

The flux will be nine times as great.

Explanation:

The electric flux due to a charge Q located in the center of a sphere can be obtained using Gauss's law. Considering a Gaussian surface in the form of a sphere of radius r:

$\Phi_E=\int\limits {Ecos\theta dS} \,$

The electric field (E) is parallel to the surface vector (dS), so $\theta=0$

$\Phi_E=\int\limits{Ecos(0)dS} \,\\\Phi_E=E\int\limits{dS} \,\\\Phi_E=ES\\\Phi_E=E4\pi r^2$

Since the electric flux is proportional to the square of the sphere's radius, if radius of sphere were tripled, the flux will be nine times as great.

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3 years ago