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marishachu [46]
4 years ago
8

What is the next step if the data from an investigation do not support the original hypothesis? A. The data are revised to suppo

rt the hypothesis. B. The data are incorrect and the experiment is run again. C. The data are adjusted to match the observations. D. The hypothesis is revised and another experiment is conducted.
Physics
2 answers:
gizmo_the_mogwai [7]4 years ago
6 0

Answer:  B. The data are incorrect and the experiment is run again.

A hypothesis is a supposition or explanation that is accepted in order to prove some natural phenomena by experimental procedures. If the data from the an investigation do not support the original hypothesis, the experiment should be performed again. With the subsequent trials the chances of getting accurate result increases.

Leno4ka [110]4 years ago
5 0
I believe the answer is D. <span>The hypothesis is revised and another experiment is conducted.</span>
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uppose two train cars are moving toward one another, the first with a mass of 150,000 kg and a velocity of 0.300 m/s; the second
kondaur [170]

The value was determined to be 0.122 m/s. The velocity of a body or object determines its direction of motion. Speed is a scalar quantity in its most fundamental form.

Velocity is essentially a vector quantity. It is the rate of change in distance. The initial speed of the first train, which has a mass of 150,000 kg, is 0.3 m/s. The second train has an initial speed of -0.120 m/s and a mass of 110,000 kg.

Let v represent the post-collision speed of the connected mass.

Utilize the idea of momentum.

The speed of the trains is constant both before and after a collision.

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After colliding, they move at a speed of 0.122 m/s towards the direction of the right.

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7 0
1 year ago
What is the resistance of a 600 W kettle that draws a current of 5.0 A? please answer with steps
lukranit [14]
P=I^2 *R

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5 1
3 years ago
A 7.00-kg object accelerates from rest to a final velocity in 55 seconds. If the magnitude of the
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Answer:

The final velocity of the object is 330 m/s.

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If we plug in the values that we are given in the problem, we get:

42 = 7 (a)

To solve for a, we simply divide both sides of the equation by 7.

42/7 = 7a/7

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Next, we should write out all of the information we have and what we are looking for.

a = 6 m/s^2

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t  = 55 s

v2 = ?

We can use a kinematic equation to solve this problem.  We should use:

v2 = v1 + at

If we plug in the values listed above, we should get:

v2 = 0 + (6)(55)

Next, we should solve the problem by performing the multiplication on the right side of the equation.

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Therefore, the final velocity reached by the object is 330 m/s.

Hope this helps!

7 0
3 years ago
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Answer:

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This makes Technician A have the right approach to solving the problem

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