FIRST TO ANSWER CORRECTLY GETS BRAIBLIEST!!

Physics

1 answer:

WINSTONCH [101]3 years ago

7 0

Brushes, battery terminals, commutator, armature, magnets

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A skier starts from rest and accelerates down a slope 2 at 23 m/s^2. How much time required for the skier to reach a speed of 9.

gayaneshka [121]

The skier's speed at time t is

v = (23 m/s²) t

To reach a speed of 9.3 m/s, the skier would need

9.3 m/s = (23 m/s²) t

t = (9.3 m/s) / (23 m/s²)

t ≈ 0.404 s

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Answer:

I believe its: A wave with a shorter wavelength has higher frequency

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If you precisely measure the position of a particle, you

pochemuha

<h2>Answer: destroy all information about its speed or momentum</h2>

The Heisenberg uncertainty principle postulates that the fact that each particle has a wave associated with it, imposes restrictions on the ability to determine its position and speed at the same time.

In other words:

<h2>It is impossible to measure simultaneously (according to quantum physics), and with absolute precision, the value of the position and the momentum (linear momentum) of a particle. </h2>

So, the greater certainty is seeked in determining the position of a particle, the less is known its linear momentum and, therefore, its mass and velocity.

It should be noted that this uncertainty does not derive from the measurement instruments, but from the measurement itself. Because, even with the most precise devices, the uncertainty in the measurement continues to exist.

Thus, in general, the greater the precision in the measurement of one of these magnitudes, the greater the uncertainty in the measure of the other complementary variable.

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A car is traveling along a straight road at a velocity of +30.0 m/s when its engine cuts out. For the next 1.79 seconds, the car

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Answer:

first value+2nd +3rd

Explanation:

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