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2 years ago

8

The experimentation step of scientific inquiry involves _______. A. Analyzing data b. Drawing a conclusion c. Choosing variables

and controls d. Formulating a question Please select the best answer from the choices provided A B C D.

1 answer:

Anna11 [10]2 years ago

3 0

Answer:

C- Choosing variables and controls

Explanation:

Correct on edge.

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Suppose the coefficient of static friction between a quarter and the back wall of a rocket car is 0.330. At what minimum rate wo

Helga [31]

Answer: $3.23 m/s^2$

Explanation:

Given

$\mu_s =0.330$

Frictional Force is balanced by force due to car acceleration

Frictional force $F_s$

$F_s=ma_{min}$

$\mu_sN=ma_{min}$

$\mu_s\cdot mg=ma_{min}$

$a_{min}=\mu_s \cdot g=0.330\times 9.8=3.23 m/s^2$

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3 years ago

Fluorescence occurs when an object absorbs ____________________ and immediately releases the energy as visible light.

soldier1979 [14.2K]

Answer:

The answer should be light or other electromagnetic radiation

Explanation:

Such as x-rays or other things like that.

<em>-Hope This Helps!</em>

<em>-Justin:)</em>

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2 years ago

A. What is the coefficient of kinetic friction?

Andrews [41]

Explanation:

Coefficient of kinetic friction is the resistive force that opposes the motion of a body as it moves and is in contact with another body.

It is found by dividing the frictional force by the normal force.

Friction is a force that opposes motion.
Static friction is for bodies that are not in motion
Kinetic friction is for moving bodies.

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3 years ago

What instrument will be used to measure the volume of a box

Anettt [7]

Answer:

A ruler.

Explanation:

Just measure height, length and width and multiply each.

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3 years ago

a vibrating source with a frequency of 20.0Hz produces water waves that have a wavelength of 3.0 cm. Calculate the speed of the

Shtirlitz [24]

Answer:

60m/s

Explanation:

v=frequency ×wave length

v signifies the speed

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3 years ago