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Fantom [35]
3 years ago
5

PLEASE HELP!!!!!!!!!!!

Physics
2 answers:
Alexxandr [17]3 years ago
5 0
I am 100% sure its A.
Eduardwww [97]3 years ago
3 0

Answer: Option (A) is the correct answer.

Explanation:

Density is defined as mass per unit volume. Basically it is the degree of compactness which means how closely particles are combined together.

When we increase the temperature of a liquid, then particles of liquid start to move vigorously. As a result, there will be more number of collisions between the particles. Hence, they will move far away from each other.

Therefore, there will be decrease in density. Now, due to change in temperature there is change in density.

Thus, we can conclude that independent variable is the temperature, and the dependent variable is the density.

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The variables for Part II of this experiment include the force applied to the car and the acceleration of the car. Use the drop-
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Answer:

Independent variable: Force applied to the car

Dependent variable: The acceleration of the car

Explanation:

A scientific experiment involves three variables which are classified mainly as independent, dependent and constant variables.

The independent variable is the variable which can be changed or changes itself like weather, natural conditions and in a given question, the applied force on the car is considered.

The dependent variable is the variable which depends on the independent variable that is the force applied on the car. Therefore, the acceleration of the car can be considered as a dependent variable as it changes according to the applied force.

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Answer:

0.0366 m

Explanation:

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r = 0.0183 m

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Diameter = 2 × 0.0183

Diameter = 0.0366 m

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Which changes would cause an increase in the resistance of a wire?
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Resistance can increase relative to Temperature, Nature of Material, Length of Conductor or wire.,and Cross-section area.

Explanation:

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