Your friend wears earbuds while driving to school each day. Is this safe? Is it legal? Explain why or why not.

Answers

Answer 1

Answer:

Its not safe but it isn't illegal. Its not safe because if their volume was up they wouldn't be able to hear if someone is honking at them or listen to emergency vehicles. They would be oblivious to what's going on around them.

Explanation:

im an amazing guy <3

Related Questions

Steam enters an adiabatic turbine at 8 MPa and 500 C with a mass flow rate of 3 kg/s andleaves at 30 kPa.The isentropic efficiency of the turbine is 0.90. Neglecting the kinetic energy change of the steam, determine (a) the tem-perature at the turbine exit and (b) the power output of theturbine

Answers

Answer:

(a) The exit temperature = 69.1°C

(b) The power output = 8.3 MW

Explanation:

(a) The enthalpy of steam at 8 MPa and 500°C is given (from online sources) as h₁ = 3399 kJ/kg

The exit temperature = The saturation temperature at 30 kPa = T₄ = 69.096 + 273.15 = 342.246 K

The exit temperature = 69.1°C

(b) The mass flow rate = 3 kg/s

The isentropic efficiency = 0.9 = (h₁ - h₂)/(h₁ - h₂[tex]_s[/tex])

s₁ = 6.727 kJ/kgK

h₂[tex]_s[/tex] = 289.229+ 2335.32* (6.8235 - 6.727 )/6.8235 = 322.26 kJ/kg

Therefore, h₂ = h₁ - (h₁ - h₂[tex]_s[/tex])*0.9

h₂ = 3399 - (3399 - 322.26 )*0.9 = 629.934 kJ/kg

The power output = [tex]\dot m[/tex](h₁ - h₂) = 3 *(3399 - 629.934) = 8307.2 kJ/s =

8.3 MW.

The ramp in the railway station has rough surface .why?

Answers

Answer:

To increase the friction so we do not slip while walking.

Explanation:

If the surface is smooth then the frictional force between the ramp and the feet becomes less and the chances of slipping are greater.

The ramp on a railway station has a rough surface to increase friction so that we do not slip while walking on it. If the surface is smooth, then the frictional force between the ramp and the feet becomes less and the chances of slipping are greater.

__is a mechanical force generated by a solid object moving through a fluid.

Answers

Answer:

Drag

Explanation:

what kind of line is used to indicate the supporting beam

Answers

Answer:horizontal

Explanation: because it is supporting it

Built-up roofing, also called BUR, is the most common roofing material used on low-slope roofs. It is composed of alternating layers of reinforcing fabric and bitumen (asphalt) and is finished with a top layer of aggregate, such as stone or gravel.

Which of the following is the last step in creating a budget?
A. Identify income
B. Identify variable expenses
C. Identify fixed expenses
D. Determine savings or debt

Answers

Answer:

D. Determine saving or debt

Explanation:

Question 6: Which of the following is NOT true if you are changing into a
turning lane?
You should activate your signals 100 feet beforehand
You should activate your signals when you get into the turn lane
You should activate your signals before you get into the turn lane
You should use your hands to signal if your lights do not work

Answers

Answer:

You should activate your signals 100 feet before you turn, becuase of that you should not wait until you are turning to turn on your signals. If you do not have working lights use your hands. So the answer that is inccorect is B.

You should activate your signals when you get into the turn lane is NOT true

Because you are supposed to single beforhand not while you're in the lane.

Im taking my drivers ed too. :)

how many types of engineering specialist are there?

Answers

There are now six major branches of engineering: Mechanical, Chemical, Civil, Electrical, Management, and Geotechnical, and literally hundreds of different subcategories of engineering under each branch.

There are about 40 types of engineering specialists

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