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san4es73 [151]
3 years ago
10

In a collision, the human body will strike the seatbelt, steering wheel, dash or windshield at? Group of answer choices only 10

to 15 miles per hour the same speed as the vehicle twice the speed of the vehicle one half the speed of the vehicle
Physics
2 answers:
Alla [95]3 years ago
3 0

Answer:

isn't this kinda like math

Explanation:

mrs_skeptik [129]3 years ago
3 0

In a collision, the human body will strike the seatbelt, steering wheel, dash, or windshield at the same speed as the vehicle.

A collision is when one object comes in contact with another, leading to an abrupt and forceful impact. This means that a collision happens when one object hits another surface or object with an extreme impact that causes injuries or damages.

  • There are three theories of collision, among which the "human collision" is the second theory.
  • In this theory, the impact of a collision between the human body and the external surface happens after the collision occurs.
  • But the force of the impact remains the same, meaning the force with which the body hits the other surface is at the same speed as the vehicle prior to the collision.
  • This is because while the collision may have occurred, the body is still moving at the same speed as the vehicle, thereby resulting in the same speed of the vehicle as that of the force of impact.
  • So, the <u>human body will strike the external or opposite surface at the speed of the vehicle</u>.

Prior to a collision, the body inside the vehicle is moving at the speed of the vehicle. So, when a collision occurs, the <u>body continues to move with that speed</u> even though the vehicle may have halted. Thus, <em>the human body will strike at the same speed as the vehicle</em>.  

Learn more about collision here:

brainly.com/question/11610989

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garri49 [273]

Answer:

Gravity is a force of attraction that exists between any two masses, any two bodies, any two particles. Gravity is not just the attraction between objects and the Earth. It is an attraction that exists between all objects, everywhere in the universe.

Explanation:

5 0
3 years ago
A cylindrical wire made of an unknown alloy hangs from a support in the ceiling. You measure the relaxed length of the wire to b
IceJOKER [234]

Answer: hello  some of your values are wrongly written hence I will resolve your question using the right values

answer:

stiffness =  1.09 * 10^-6 N/m

Explanation:

Given data:

Length ( l ) = 16 m

radius of wire ( r ) = 3.5 m

mass ( m ) = 5kg

<u>Distance stretched (  Δl ) = 4 * 10^-3 m </u> ( right value )

<u>average bond length ( between atoms ) = 2.3 * 10^-10 m </u>( right value)

first step : calculate the area

area ( A ) = πr^2 = π * ( 3.5)^2 = 38.48 m^2

        γ          = MgL / A Δl

                    = [ (5 * 9.81 * 16 ) / ( 38.48 * (4.3*10^-3) ) ]

                    = 784.8 / 0.165 = 4756.36 N/m^2

hence : stiffness =   γ  * bond length

                           =  4756.36 * 2.3 * 10^-10  = 1.09 * 10^-6 N/m

8 0
3 years ago
The electron in a ground-state h atom absorbs a photon of wavelength 97. 25 nm. to what energy level does the electron move?
Alecsey [184]

The electron in a ground-state H atom absorbs a photon of wavelength 97. 25 nm.  Energy level till where the electron move is 4

Rydberg's equation is formula which signifies relation of wavelength of incident photon and the energy level.

Rydberg's equation is used to find out the relation between the wavelength and the Energy Levels:

1/λ = RZ² (1/n₁² - 1/n₂²)

where, λ is wavelength = 97.25 nm

           R is the Rydberg constant = 1.0967 × 10⁷ m

           n₁ is the initial energy level i.e. the Ground state, n₁  = 1

           n₂ is the higher energy level

On substitution of the above value:

1/97.25 × 10⁻⁹ = 1.0967 × 10⁷ ( 1 -  1/n₂²)

On solving,

⇒ n₂ = 4

Hence, the higher energy level is 4

Learn more about Energy Level here, brainly.com/question/17396431

#SPJ4

5 0
1 year ago
an airplane of mass 50 tonnes is flying at a speed of 5 km\s at a height of 50 km above the ground. what is the total energy it
Sonbull [250]

Answer:

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Explanation:

4 0
3 years ago
In the graph below, why does the graph stop increasing after 30 seconds?
stepladder [879]

Answer:

The answer is "Option C".

Explanation:

It's evident from the figure below that after thirty minutes, not no more hydrogen can be created because all of the reactants have converted into products.

hydrogen gas created in cm cubes per period x = 20 seconds, y = 45 centimeters squared, and so on.

A reaction's terminus (the graph's flat line) indicates that no further products are being created during the reaction.

6 0
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