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fredd [130]
3 years ago
11

1. Driving at slower speeds than traffic flow _____________ .

Physics
2 answers:
r-ruslan [8.4K]3 years ago
7 0

<u>The correct option is (D). The strength of electric field depends on the amount of charge that produces the field as well as the distance from the charge. </u>

<u> </u>

Further Explanation:

The electric field intensity at a point is the measure of the force exerted by a charge particle on another charge particle in the particular area of its strength.

The electric field intensity at a distance d due to a static charge having charge q is directly proportional to the amount of charge and inversely proportional to the square of the distance between them.

The Electric field intensity due to a charge is given as:

E = \dfrac{1}{{4\pi {\varepsilon _0}}}\frac{q}{{{r^2}}}

Here, E is the electric field intensity, q is the amount of charge and r is the distance of the charge from the point.

The above expression of electric field shows that the electric field intensity at a point depends on the amount of charge as well as the distance of the point from the charge.

<u>Thus, the correct option is (D). The strength of electric field depends on the amount of charge that produces the field as well as the distance from the charge. </u>

<u> </u>

Learn More:

1. The results of Rutherford’s gold foil experiment demonstrated that thehttps://brainly.com/question/1542931

2. A capacitor with capacitance (c) = 4.50 μf is connected to a 12.0 v batteryhttps://brainly.com/question/8892837

3. A point charge of 7.45 pc is fixed at the originhttps://brainly.com/question/11098511

Answer Details:

Grade: Senior school

Subject: Physics

Chapter: Electrostatics

Keywords:  Strength, electric field, charge, distance, electric field intensity, magnitude of charge, electrostatic, test charge, kq/r^2.

tiny-mole [99]3 years ago
3 0

Answer:

correct option is B. may impede other vehicles on the road that are traveling at normal and safe speeds

Explanation:

solution

we know that driving very slow and very fast than the traffic flow speed is also danger and unsafe

so it is important point that when we driving or riding on road so be cautious of those people who is around you and not being unsafe on road

and vehicles riding or driving with same speed and when suddenly they get close to that extremely slow vehicle

it is  easy occurrence for the accident on road

so that why it is very important to keep the speed right in between vehicles

so always be normal and safe speeds are not more than the posted limit and can be much less in bad conditions

so we can say correct option is B

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If you lose control of your vehicle and collide with a fixed object, such as a tree, at 60 m.p.h., the force of impact is the sa
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You can compare the velocity of the car, 60 mph, with the velocity that a mass would acquire when falls from certain height.

First, convert 60 mph to m/s:

60 miles/h * 1.60 km/mile * 1000 m/km * 1h/3600s = 26.67 m/s

Second, calculate from what height a body in free fall reachs 26.67 m/s velocity when hits the floor.

free fall => Vf^2 = 2g*H => H = Vf^2 / (2g)

H = (26.67m/s)^2 / (2*9.8 m/s) = 36.2 m

If you consider that the height between the floors of a building is approximately 3.6 m, you get 36.2 m / 3.6 m/floor = 10 floors.

Then, you conclude that the force of impact is the same as driving you vehicle off a 10 story building.
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3 years ago
What two things can happen in the life of a massive star after it passes from the supernova stage?
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Medium stars become dwarf stars, large stars become either neutron (pulsar) stars or black holes
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A ball is dropped off a building and falls past a window that is 2.2m long. If it takes .28s for the ball to cross the window wh
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2 years ago
Determine the lamp wattage required to obtain an illumination level of 50 f-c over a 100 ft2 area if a fixture is used with a CU
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Lamp Wattage is utilized with a CU of 0.75 and 80 percent of the available light reaches the work surface, the remaining 20 percent is absorbed by walls and other objects in the space, resulting in an illumination level of 50 f-c over a 100 ft2 area

The term "lumen" refers to the emission of "luminous flux," which is a measurement of the total amount of visible light emitted by a source in a certain amount of time. The illumination level over a 100 ft2 area will be 50 f-c Lamp Wattage with a CU of 0.75 used, with 80 percent of the available light reaching the work surface and the remaining 20 percent being absorbed by walls and other objects in the room.
Total Lamp Wattage = Number of Lamps X Wattage of Each Lamp.
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3 0
2 years ago
If the work done to stretch an ideal spring by 4.0 cm is 6.0 j, what is the spring constant (force constant) of this spring?
Alisiya [41]

Answer:

The spring constant is 3750 N/m  

Explanation:

Use the following two relationships:

(Work) = (Force) x (Displacement)

(Force) = (Spring constant) x (Displacement)

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(Spring constant) = 6.0 kg.(m^2/s^2) / 0.0016 m^2 = 3750 N/m

The spring constant is 3750 N/m  

4 0
3 years ago
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