A road with a positive cross slope is highest __________.

Answers

Answer 1

Answer:

A road with a positive cross slope is highest in the center of the road.

The roads with Cross slopes are formed to provide the drainage system so that water will run off from the surface. Due to this no water stands on the roads, especially when there is heavy rain it is very useful. It is a very important safety factor.

Related Questions

Andy is waiting at the signal. As soon as the light turns green, he accelerates his car at a uniform rate of 8.00 meters/second2. What is the displacement of Andy’s car after 30.0 seconds?
Which of the following is a possible use for nuclear energy?a. power plantsb. weaponsc. powering submarinesd. all of the above
To dry the brakes, drive slowly in __________ and apply light pressure on your brake pedal.
A neuron transfers information in the form of an electrical impulse. a. Trueb. False
You have a 2.00 kg block of lead. Lead melts at 327.5°C. Cpb = 130.0 J/kg*C and ?Hj for lead is 2.04x10^4 J/kg . Say you start at room temperature (25.0°C). How much heat must you transfer to melt all the lead?

When a sound source is moving toward the observer, the observer will hear a higher pitch. This is due toa. a decrease in the amplitude of the sound wave.
b. a decrease in the frequency of the sound wave.
c. an increase in the frequency of the sound wave.
d. an increase in the amplitude of the sound wave.

Answers

number one a and b are automatically out if you decrease the pitch or frequency you wont hear it louder it does not add up ok?
number 2 the answer would be C the higher the frequency the higher the pitch the lower the frequency the lower the pitch this just comes back to common sense. for example you cant decrease the frequency and than expect a louder pitch its like saying I am going to smash the key on this piano with all my strength and it will make a small very low pitch sound you get what I mean so your answer would indeed be C.

Middle c has a speed of 1500 m/s in water and 340 m/s in air. does it have a longer or shorter wavelength in water than in air and why?

Answers

yes, it has a longer wavelength in water than in air.

Coal _____. is a renewable resource can easily be replenished is formed from plant remains is the least-polluting energy source

Answers

Coal . . . . .

-- is a renewable resource that can easily be replenished.
It happens by itself, and you don't even need to do anything,
but it takes several million years.

-- Is formed from plant remains, and

-- is perhaps the MOST polluting energy source.

There is only supposed to be one answer choice, so the correct answer is is formed from plant remains.

An alpha particle is identical to a _____.A. helium nucleus
B. hydrogen nucleus
C. high energy electron
D. radium nucleus

Answers

An alpha particle is identical to a helium nucleus. The correct option among all the options given in the question is option "A". In case of both the alpha particle nucleus and helium nucleus, there are two protons and two neutrons. Alpha particles are generally formed during the process of alpha decay. They can also be produced in other ways.

Final answer:

An alpha particle is identical to a helium nucleus as it consists of two protons and two neutrons, which match the composition of a helium atom’s nucleus.

Explanation:

An alpha particle is identical to a helium nucleus. This is because an alpha particle contains two protons and two neutrons, which is the same as the nucleus of a helium atom. The alpha particle does not have electrons that surround the nucleus in a helium atom.

Options B, C, and D are not correct. A hydrogen nucleus (B) has only one proton and no neutrons, a high energy electron (C) is a subatomic particle with charge -1 and not part of a helium nucleus, and a radium nucleus (D) contains many more protons and neutrons than a helium nucleus or an alpha particle.

Learn more about Alpha Particle here:

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The tip of a fan blade is 0.61 m from the center of the fan. The fan turns at a constant speed and completes 2 rotations every 1.0 second. What is the centripetal acceleration of the tip of the fan blade? Option 1: 6.0 m/s² Option 2: 48 m/s² Option 3: 53 m/s² Option 4: 96 m/s²

Answers

Answer: Here's my answer, I made it step-by-step so you can understand it! <3

Explanation:

To find the centripetal acceleration of the tip of the fan blade, we can use the formula for centripetal acceleration:

a = (v^2) / r

where:

a is the centripetal acceleration,

v is the linear velocity, and

r is the radius of the circular path.

Given that the fan completes 2 rotations every 1.0 second, we can find the angular velocity (ω) using the formula:

ω = (2π * n) / t

where:

ω is the angular velocity,

π is a constant (approximately 3.14),

n is the number of rotations (2),

and t is the time taken (1.0 second).

Substituting the values into the formula, we have:

ω = (2π * 2) / 1.0 = 4π rad/s

Next, we can calculate the linear velocity (v) using the formula:

v = r * ω

Substituting the given radius value (0.61 m) and the angular velocity we found earlier, we have:

v = 0.61 * 4π = 2.44π m/s

Finally, we can calculate the centripetal acceleration (a) using the formula:

a = (v^2) / r

Substituting the linear velocity and the radius, we have:

a = (2.44π)^2 / 0.61 = 5.88π^2 / 0.61 ≈ 96 m/s²

Therefore, the centripetal acceleration of the tip of the fan blade is approximately 96 m/s² (Option 4).

An object completes 10 cycles in 50 s what is the period of its rotation?

Answers

5 second period rotation

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Which describes what happens when a balloon is rubbed with a wool cloth?A.Electrons move from the atoms in the balloon to the atoms in the cloth, causing the cloth to have a negative charge.B.Everyday objects do not have electric charges, so neither the balloon nor the cloth can gain or lose electrons.C.Electrons move from the atoms in the cloth to the atoms in the balloon, causing the balloon to have a negative charge.D.Electrons are shared equally between the atoms of the balloon and the atoms of the cloth, making both electrically neutral.

After a radioactive atom decays, it is the same element that it was before with no measurable change in mass. Which kind of decay has occurred, and how do you know? alpha decay because alpha particles have no mass beta decay because this kind of decay cannot change one element into another alpha decay because it creates a new isotope of the same element gamma decay because photons have no mass.