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Pachacha [2.7K]
2 years ago
5

Increasing excitatory signals above threshold levels for neural activation will not affect the intensity of an action potential.

This indicates that the reaction of a neuron is: (2 points)
inhibited by the myelin sheath

delayed by the refractory period

an all-or-none response

independent of the repolarization

dependent on neurotransmitter molecules
Physics
1 answer:
ahrayia [7]2 years ago
4 0

Answer:

Option C

An all-or-none response

Explanation:

Increasing excitatory signals above threshold levels for neural activation will not affect the intensity of an action potential indicates that the reaction of a neuron is an all-or-none response

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A rocket moves upward from rest with an acceleration of 40 m/s2 for 5 seconds. It then runs out of fuel and continues to move up
Snezhnost [94]

Answer:

Maximum height of rocket  = 2538.74 m

Explanation:

We have equation of motion s = ut + 0.5 at²

For first 5 seconds

          s = 0 x 5 + 0.5 x 40 x 5² = 500 m

Now let us find out time after 5 seconds rocket move upward.

We have the equation of motion v = u + at

After 5 seconds velocity of rocket

         v = 0 + 40 x 5 = 200 m/s

After 5 seconds the velocity reduces 9.8m/s per second due to gravity.

Time of flying after 5 seconds

          t=\frac{200}{9.81}=20.38s

Distance traveled in this 20.38 s

          s = 200 x 20.38 - 0.5 x 9.81 x 20.38² = 2038.74 m

Maximum height of rocket = 500 +2038.74 = 2538.74 m

6 0
3 years ago
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7 0
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dmitriy555 [2]

Answer:

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Explanation:

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