3 years ago

What is C in the electronic circuit ??

Physics

1 answer:

shepuryov [24]3 years ago

6 0

Answer:

The Symbol is an n-p-n transistor

Explanation:

This is because the arrow on the transistor is pointing outside the transistor indicating that the current is flowing out from it

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Using the formula 1/2 (m x v2), what is the kinetic energy of a 4 kg rock falling through the air at 5 m/s

aivan3 [116]

Answer:

KE = 50J

Explanation:

$KE = \frac{1}{2}mv^{2} \\\\ KE = \frac{1}{2}(4)(5)^{2} \\\\ KE = 2(25) \\\\ KE = 50J$

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3 years ago

Describe the relationship between a moving objects mass and its kinetic energy

WINSTONCH [101]

KE = 1/2 mv^2 is the relationship betwee mass and kinetic energy

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A football player kicks a ball with a mass of 0.42 kg. The average acceleration of the football was 14.8 m/s².

kvasek [131]

D.6.22N. because .42kg * 14.8m/s=6.22 N[meaning newtons}.

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3 years ago

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Which of the following quantities are unknown?

Sauron [17]

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Charge of the alpha particle

Explanation:

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Enter an expression for the force constant for the floating raft, in terms of L, g, and the density of water, ρ.

andriy [413]

Answer:

K = ρL²g

Explanation:

Consider L as the length of the raft inside the water when the raft is displaced through additional distance y;

Then:

F = upthrust ( restoring force) = weight of the liquid displaced.

$F = V_{\omega} \rho_{\omega} g= A y \rho_{\omega} g$

where;

A = L²

$\rho_{\omega} = \rho$

F = ky.

Then,

$Ay \rho g = ky$

$L^2y \rho g = ky$

Divide both sides by y

K = ρL²g

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3 years ago