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UkoKoshka [18]
3 years ago
15

What does it signify if point 2 shifts down and to the left?

Physics
1 answer:
jeka943 years ago
8 0
It signifies a translation
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Everyone experiences a wide range of emotions, but when could they indicate a mental disorder?
Vikentia [17]

Answer:

Excessive paranoia, worry, or anxiety.

Long-lasting sadness or irritability.

Extreme changes in moods.

Social withdrawal.

Dramatic changes in eating or sleeping patter

Explanation:

hope it helps brainliest if right thx :)

7 0
3 years ago
The power in an electrical current is given by the equation
Tcecarenko [31]

Answer:

P = VI

Explanation:

the power is equal to the current × voltage

6 0
2 years ago
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.A hard rubber ball, released at chest height, falls to the pavement and bounces back to nearly the same height. When it is in c
ohaa [14]

Answer:

 a = 1.1 10⁵ m / s²

Explanation:

This is a momentum exercise, where we use the relationship between momentum and momentum

          I = ∫ F dt = Δp

= p_f - p₀

as they indicate that the ball bounces at the same height, we can assume that the moment when it reaches the ground is equal to the moment when it bounces, but in the opposite direction

        F t = 2 (m v)

therefore the average force is

         F = 2 m v / t

where in general the mass of the ball unknown, the velocity of the ball can be calculated using the conservation of energy

starting point. Done the ball is released with zero initial velocity

        Em₀ = U = mgh

final point. Upon reaching the ground, just before the deformation begins

        Em_f = K = ½ m v²

energy is conserved in this system

        Em₀ = Em_f

        m g h = ½ m v²

        v = √ (2gh)

This is the velocity of the body when it reaches the ground, so the force remains

        F = 2m √(2gh)   /t

where the height of the person's chest is known and the time that the impact with the floor lasts must be estimated in general is of the order of milli seconds

knowing this force let's use Newton's second law

          F = m a

          a = F / m

 

          a = 2 √(2gh) / t

We can estimate the order of magnitude of this acceleration, assuming the person's chest height of h = 1.5 m and a collision time of t = 1 10⁻³ s

         a = 2 √ (2 9.8 1.5) / 10⁻³

         a = 1.1 10⁵ m / s²

6 0
2 years ago
Savanna regions developed during the Triassic period. true or false
Inga [223]
Savanna regions developed during the Triassic period. is true
5 0
3 years ago
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A vertical wire carries current in the upward direction. an electron is traveling parallel to the wire. what is the angle α betw
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Angle α between the velocity of theelectron and the magnetic field of the wire will be 90 degree
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