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wolverine [178]
3 years ago
12

Betty drew the life cycle of a butterfly for a science exhibition. The life cycle showed the various stages of growth before the

egg turns into a butterfly. What type of model did Betty use?
A. hypothetical
B. conceptual
C. mathematical
D. physical
Physics
1 answer:
77julia77 [94]3 years ago
7 0

Answer:

D.physical model

Explanation:

it is the evolution of butterfly

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A- 1000 m/s2<br> Xi-0m<br> Xf-0.75m<br> Vf-?
sleet_krkn [62]

Answer:

The final velocity of the object is,  v_{f} = 27 m/s    

Explanation:

Given,

The acceleration of the object, a = 1000 m/s²

The initial displacement of the object, x_{i} = 0 m

The final displacement of the object,  x_{f} = 0.75 m

The initial velocity of the object will be, v_{i} = o m/s

The final velocity of the object, v_{f} = ?

The average velocity of the object,

                                    v = ( x_{f} - x_{i} )/ t

                                      = 0.75 / t

The acceleration is given by the relation

                                     a = v / t

                                   1000 m/s² = 0.75 / t²

                                            t² = 7.5 x 10⁻⁴

                                            t = 0.027 s

Using the I equation of motion,

                                  v_{f} = u + at

Substituting the values

                                   v_{f} = 0 + 1000 x 0.027

                                                           = 27 m/s

Hence, the final velocity of the object is,  v_{f} = 27 m/s          

8 0
3 years ago
GIVING BRAINIEST TO FAST ANSWER!!!!
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Answer:

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Explanation:

Hope this help!!!

4 0
2 years ago
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What is an unbalanced force
Butoxors [25]
There's no such thing as "an unbalanced force".

If all of the forces acting on an object all add up to zero, then we say that
<span>the group </span>of forces is balanced.  When that happens, the group of forces
has the same effect on the object as if there were no forces on it at all. 

An example: 
Two people with exactly equal strength are having a tug-of-war.  They pull
with equal force in opposite directions.  Each person is sweating and straining,
grunting and groaning, and exerting tremendous force.  But their forces add up
to zero, and the rope goes nowhere.  The <u>group</u> of forces on the rope is balanced.

On the other hand, if one of the offensive linemen is pulling on one end of
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not equal.  The <u>group</u> of forces is <u>unbalanced</u>, and the rope moves.

A group of forces is either balanced or unbalanced.  A single force isn't.
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3 years ago
Does a car still have acceleration when it's on cruise control? Explain.
Vladimir79 [104]

Answer: Yes

because.....

When the cruise control is engaged, the throttle can still be used to accelerate the car. Also,

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4 0
3 years ago
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What is the best structure for a egg dropping project you will be name brainiest
julsineya [31]

Answer:

bubble wrap in stuff animal

Explanation:

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4 0
3 years ago
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