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kari74 [83]
2 years ago
12

Which of the following are equivalent units?

Physics
1 answer:
ratelena [41]2 years ago
5 0

Answer:

B is the correct answer

Explanation:

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Why do we use microwaves to communicate berween earth and satellites
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It’s frequency is high and microwaves can pass through the atmosphere of the Earth.
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3 years ago
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We want to find how much charge is on the electrons in a nickel coin. Follow this method. A nickel coin has a mass of about 4.2
monitta

Answer:

The number of atoms is N = 4.37*10^{22} \ atoms

Explanation:

From the question we are told that

                 The mass of coin  is m_n = 4.2g

                   Number of atom in one mole = n =6.02*10^{23} \ atoms

                   Molar mass of nickel M = 57.8g

Now the relation to obtain the number of atom in  the  nickel coin is

                        N = \frac{Mass \ of Nickel\ coin}{Molar \ mass\ of nickel }  * No\ of\atoms \ in \ \ one\  mole\ of\ nickel

                           = \frac{4.2}{57.8}* 6.02*10^{23}

                           =4.37 *10^{22} atoms

                 

     

8 0
3 years ago
George created an advertisement for a retail store that sold clothes. He added a discount in the form of a coupon that the custo
likoan [24]

Answer:

The advertisement feature that George can use is a coupon booklet  with the local newspaper for delivery

Explanation:

George focus on promotion rather than using the other stores strategy of word-of-mouth. Different types of promotion: advertising, public relations, direct selling and sales promotions.A temporary reduction in the price, such as 50% off. Reduction amount  may be a percentage that can be marked on the package.A coupon booklet is inserted into the local newspaper for delivery. Also on checkout  the customer can be given a coupon based on products purchased. The consumer is automatically entered into the contest/event by purchasing the product.

Displays:-

A board on which messages are written in crayon.

Consumers get one sample for free, after their trial and then could decide whether to buy or not

7 0
3 years ago
A thermometer is placed into a flask of water with pieces of ice and reads 273.15. Which temperature scale is being used? A. Kel
zzz [600]

A. Kelvin. It is 32 degrees fahrenheit

6 0
2 years ago
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Suppose I have a spherical insulating shell with inner radius r and outer radius R. The shell has a uniformly distributed charge
a_sh-v [17]

Answer:

3Q / 4 pi (R^3 - r^3)

Explanation:

Charge density = charge / volume

volume of a spherical shell = \frac{4}{3} \pi(R^{3} - r^{3})

4 0
3 years ago
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