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Scorpion4ik [409]
3 years ago
14

Some expressways are curved, banked and designed to maximize ___________ at higher speeds.

Physics
1 answer:
Liono4ka [1.6K]3 years ago
6 0

Answer:

Safety

Explanation:

Expressways are banked to resist centifugal action

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Horizontal abduction involves the movement of the arm or thigh in the transverse plane from a(n) _____ position to a lateral pos
ollegr [7]
There is a horizontal abduction and horizontal adduction in the transverse plane that is imaginary bisector that divides the body into two halves upper or top and lower or bottom halves.
<span>Horizontal abduction involves the movement of the arm or thigh from a medial or anterior position to a lateral position and in horizontal adduction, the movement is reverse that is from lateral position to anterior position.</span>
8 0
3 years ago
A car of mass 1800 kg collides with a truck of mass 5200 kg, and just after the collision the car and truck slide along, stuck t
kupik [55]

Explanation:

Elastic collision is said to occur if the total kinetic energy is not conserved and if there is a rebound after collision

Step one

Analysis of the problem

Immediately after impact the car's velocity was zero making it a perfect elastic collision

Step two

Given

Mass of car M1=1800kg

Mass of truck M2=5200kg

Initial velocity of Car U1=44m/s

Initial velocity of truck U2=21m/s

Final velocity of car V1= 0m/s

Final velocity of truck V2=20m/s

Step three

According to the principle of conservation of momentum

Total momentum before collision

=M1U1+M2U2

Total momentum after impact

=M1V1+M2V2

M1U1+M2U2 =M1V1+M2V2

Substituting our data into the expression we have 1500*44+5800*21=1500*0+5800*20

=66000+1218000=11600

1284000=11600

From the solution the momentum before impact is 1284000Ns

Momentum after impact is 11600Ns

This is indicating that after impact there was loss in momentum as a result of the car having a velocity of zero

8 0
4 years ago
What is the definition of the coefficient of kinetic friction?
Nookie1986 [14]
The coefficient of kinetic friction<span> is the force between two objects when one object is moving, or if two objects are moving against each other</span>
4 0
4 years ago
4.<br> Inertia is directly related to<br><br> A. Mass<br><br> B. Mice<br><br> C. Movement
Soloha48 [4]

A. Mass

Explanation:

Inertia is a property that is directly related to mass of a body. It can be defined as a property that causes a body to resist change in its state of motion.

  • Newton's first law of motion is known as the law of inertia.
  • The law state's that "an object will continue to be at rest or in uniform motion unless if it is being acted upon by an external force".

 Inertia is related to force and it can be calculated using the expression below:

                 Inertia = m x a

where m is the mass of the body

            a is the acceleration of the body

From this, we see that the more the mass of a body, the more its inertia and its reluctance to change its state of motion.

  Therefore mass is directly related to inertia.

Learn more:

Inertia brainly.com/question/691705

#learnwithBrainly

8 0
4 years ago
Infer whether a system can have kinetic energy and potential energy at the same time
Rasek [7]
Yes, an object can have both of these at the same time. Potential energy is energy that is stored in an object. Kinetic energy is the energy that is associated with motion. So what you have to have is an object that is in motion but still has more energy that it has yet to convert into kinetic energy.
4 0
3 years ago
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