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34kurt
3 years ago
10

How far will a arrow fly is shot horizontally from a cliff that is 7m high and with a speed of 30?

Physics
1 answer:
Helen [10]3 years ago
4 0

Answer:

I think it will 12

Explanation:

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A girl with a mass of 22 kg is playing on a swing. There are three main forces acting on her at any time: gravity, force due to
Mrac [35]

Answer:

A is the answer I think pls check it

7 0
3 years ago
Based on the bond energies given for each of the following which is the most stable? O=O 498 kJ/mol N≡N 946 kJ/mol C=C 614 kJ/mo
slamgirl [31]

Answer:

N≡N bond

Explanation:

Bond energy (bond enthalpy) is a measure of the bond strength in the bond. It is defined as average value of bond dissociation energies in the gas-phase for all the bonds having same type with in same chemical species.

<u>The greater the bond energy, the greater is the amount of energy required to break the bond, the more stable is the bond.</u>

Thus, among the following bonds:

O=O 498 kJ/mol

N≡N 946 kJ/mol

C=C 614 kJ/mol

C=O 745 kJ/mol

C≡C 839 kJ/mol

<u>The greatest bond energy is of N≡N 946 kJ/mol and thats why it is the most stable.</u>

7 0
3 years ago
the moderate temperatures of islands throughout the world has much to do with water's vast supply of internal energy. high evapo
Ad libitum [116K]

High specific heat of the water. Option (c)

What is Specific heat?

The amount of heat required to increase the temperature of one gram of a substance by one degree Celsius is referred to as the substance's specific heat. Typically, calories or joules are used per gram and degree Celsius when referring to the units of specific heat.

The moderate temperature of islands has much to do with the water's high specific heat. The typical off-water is more significant than this clear land or soil. Due to this fact, water absorbs and releases eat more slowly. In comparison to the land.

Hence, the water has high specific heat.

To learn more about specific heat the link is given below:

brainly.com/question/12982780?

#SPJ4

3 0
1 year ago
Anything that has mass and occupies space is defined as.
forsale [732]

Answer:

matter is the correct answer.

8 0
2 years ago
What is the difference between sodium atom and a sodium ion
ludmilkaskok [199]
Pretty much any element(in your case sodium) contain these properties.

Atoms can be an ion, but not all ions are atoms. The difference between an atom and an ion has to do with net electrical charge. An ion is a particle or collection of particles with a net positive or negative charge. ... A stable atom contains the same number of electrons as protons and no net charge
7 0
3 years ago
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