3 years ago

The process of recording the strength of the contraction of a muscle when it is stimulated by an electrical current is known

Physics

1 answer:

Naddik [55]3 years ago

3 0

i dont know the answer of your question correctly

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The axoplasm of an axon has a resistance Rax. The axon's membrane has both a resistance (Rmem) and a capacitance (Cmem). A singl

dybincka [34]

Answer:

The expression is Vmem = ΔV - I*Rax

Explanation:

According to the picture, if switch S is closed, the Cmem will be short. If Vcap = 0, the current flows through the capacitor only (not through Rmem), thus Vmem = 0 after closing S.

When C is fully charged, then we have:

Vmem = ΔV - I*Rax

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4 years ago

An object moves in a circle with a period of 0.025 hours. What is its frequency in Hz?

Sedaia [141]

Answer:

40 Hz

Explanation:

f = 1/T = 1 / 0.025 = 40 Hz

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3 years ago

A projectile leaves the ground at an angle of 60° the horizontal.Its kinetic energy is E.Neglecting air resistance, find in term

NikAS [45]

Answer:

I need a picture please

Explanation:

so that I can help you

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2 years ago

A ball of mass m is dropped from a height h above the ground. neglecting air resistance then determine the speed of the ball whe

MrMuchimi

Answer:

Explanation:

kinematic equation (g will have a negative value if we assume UP is positive)

v² = u² + 2as

a) v = √(0² + 2(g)(y - h))

b) v = √(vi² + 2(g)(y - h))

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3 years ago

A crate resting on a horizontal floor (\muμs = 0.61, \muμk = 0.3 ) has a horizontal force F = 49 Newtons applied to the right. T

Darya [45]

Answer:

a = 7.80 m/s²

Explanation:

given,

μs = 0.61

μk = 0.3

F = 49 N

we know,

F = μs m g

$m = \dfrac{F}{\mu_s\ g}$

$m = \dfrac{49}{0.61 \times 9.81}$

$m = 8.19\ kg$

now when the block start moving

$F - F_k = F_{net}$

$F - F_k = ma$

$a = \dfrac{F}{m}-\dfrac{F_k}{m}$

$a = \dfrac{F}{m}-\dfrac{\mu_k m g}{m}$

$a = \dfrac{88}{8.19}-0.3\times 9.8$

a = 7.80 m/s²

3 0

4 years ago