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BartSMP [9]
3 years ago
5

6. A student notices that when a weight is hung on a spring, the spring stretches. She decides conduct an experiment to determin

e the relationship between the amount of weight
placed on a spring and the distance the spring stretches. She has five different weights: 25 9,50 9.75 9, 1009, and 125 g. She selects a weight, hangs it on the spring, and
measures how far the spring stretches
What is the dependent variable in this experiment?
O weight hung from the spring
O temperature of the spring
length of unstretched spring
distance the spring stretches
Physics
1 answer:
natima [27]3 years ago
4 0

Answer:

D

Explanation:

She says that the object of the experiment is to see how far the string stretches given a mass attached to the string.

The only thing that is at issue is either the mass or the amount the string stretches.

Nothing else matters.

The dependent variable therefore is the amount the string stretches. So the last choice is the answer.

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The answer is; C

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8 0
3 years ago
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An airplane flies eastward and always accelerates at a constant rate. At one position along its path it has a velocity of 34.3 m
Tomtit [17]

Explanation:

We'll need two equations.

v² = v₀² + 2a(x - x₀)

where v is the final velocity, v₀ is the initial velocity, a is the acceleration, x is the final position, and x₀ is the initial position.

x = x₀ + ½ (v + v₀)t

where t is time.

Given:

v = 47.5 m/s

v₀ = 34.3 m/s

x - x₀ = 40100 m

Find: a and t

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7 0
4 years ago
Find the magnitude of the emf induced in the rod when it is moving toward the right with a speed 7.50 m/s.
Flauer [41]

Answer:

3 volts

Explanation:

It is given that,

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We need to find the magnitude of the emf induced in the rod when it is moving toward the right. When a rod is moved in a magnetic field, an emf is induced in it and it is given by :

\epsilon=Blv

Putting all the values,

\epsilon=0.8\times 0.5\times 7.5\\\\\epsilon=3\ V

So, the magnitude of the emf induced in the rod is 3 volts.

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3 years ago
-2
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Answer:-2

Explanation:

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V (<span>HST’s tangential speed</span>) =  7570 m/s

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4 years ago
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