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dimaraw [331]
3 years ago
6

Please I need an answer

Physics
2 answers:
eduard3 years ago
7 0
B or c
It’s kinda confusing
aliina [53]3 years ago
5 0

Answer:

D

Explanation:

The ballon will repel

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A quantity that has only one magnitude
Len [333]

Answer:

scalar quantity

Explanation:

Vector quantities have two characteristics, a magnitude and a direction. Scalar quantities have only a magnitude.

3 0
4 years ago
Need help with this science!!
noname [10]
Lol, I remember I helped my sister with this question but anyways, the card flew because of inertia and the quarter fell in the glass because of gravity :).
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3 years ago
Read the question below.
Oxana [17]

Answer:

Experimental

Explanation:

Here the dependency of pressure on the temperature is to be determined. For finding this factor we need to calculate the pressure of the object at different temperature.

The process of calculating pressure for different temperature is experimental investigation because we need to perform this experiment for finding these value. On the basis of observed values the we can conclude the dependency.

Thus, this investigation is experimental.

8 0
3 years ago
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Why a flying areoplane has more kinectic energy than a flying insect
nikitadnepr [17]

Answer: Because the angle of attack is so high, a lot of momentum is transferred downward into the flow. These two features create a large amount of lift force as well as some additional drag.

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6 0
3 years ago
Which of the following terms describes a process for which Q = +450 J?
Sidana [21]

Answer:

Quantity of heat or heat energy

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the quantity of heat is the calculation of the total quantity of thermal energy in an object. it's S.I unit is joules (J) and the symbol for calculating it is Q.

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