Objects that have value in themselves and that are also used as money is the definition for _____.

Physics

2 answers:

sattari [20]4 years ago

8 0

Answer: The correct answer for the blank is- a. commodity money.

Commodity money can be described as a form of currency, which has an intrinsic value ( that is value of its own) as well as value (in the form of money) in their use.

For Example- gold, silver, grains serve as commodity money.

Yuki888 [10]4 years ago

3 0

Objects that have value in themselves and that are also used as money is the definition for commodity money. Hope this helped :)

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A uniformly charged rod (length = 2.0 m, charge per unit length = 3.0 nC/m) is bent to form a semicircle. What is the magnitude

Yuki888 [10]

Answer:

The magnitude of the electric field at the center of the circle is 85 N/C

The correct option is b. 85 N/C

Explanation:

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8 0

3 years ago

A. An endothermic reaction i taking place in a test tube. What would you expect to feel when you touch the outside of the test t

inessss [21]

Explanation:

An endothermic reaction is a type of of chemical reaction in which energy is absorbed from the surrounding. The temperature of the surrounding decreases.

An Exothermic reaction is a type of of chemical reaction in which energy is released into the surrounding. The temperature of the surrounding increases.

a)When an endothermic reaction takes place in test tube the temperature of the surrounding(here the outside wall of the test tube) will decrease which can be felt by touching the outside of the test tube.

b) Burning a candle

,Lighting a gas stove and running a car's engine all are example of exothermic reaction because energy is releases into surroundings. Where as using an instant cold pack is an example endothermic reaction in which energy is absorbed from the surrounding.

c) The diagram is of an exothermic reaction because the energy of the reactants is higher than the energy of the products.The difference in the energies of these two is the energy which was being released on completion of reaction.