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Doss [256]
3 years ago
14

WILL UPVOTE! MULTIPLE CHOICE!

Physics
1 answer:
Stels [109]3 years ago
6 0
1. A. The SI unit for current is the ampere.
2. C. The unit for resistance = ohm.
3. B. EMF is measured in volts.
4. B. Electric current is the flow of charged particles, i.e. electrons.
5. B or C. All other answers are metals.
6. C. The dimensions of a material don't affect its resistance.
7. D. Ohm's law: current = voltage / resistance, 12/4 = 3.
8. B. Batteries transform chemical energy into electrical energy.
9. A. Metals are generally good conductors.
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One thousand grams of seawater would consist of how many grams of dissolved substances? 65 635 35 965
Naya [18.7K]
<span>One thousand grams of seawater has 35 grams of dissolved substances ... on the average. While the salinity of the Earth's oceans and seas varies, the average salinity of seawater rests at 3.5%. Consider one liter or sea or ocean water. One liter has 1,000 milliliters (mL) in it. To find 3.5% of 1,000, we would multiply with the decimal place adjusted for percentages: 1000 x .035 = 35. Therefore, for every 1,000 mL of seawater, we will find 35 grams of (mostly) sodium chloride, otherwise known as salt.</span>
7 0
3 years ago
Read 2 more answers
The principal quantum number is given the symbol and has positive, whole-number values starting from?
deff fn [24]

Answer:

Principal quantum numbers are denoted by the symbol 'n'. They designate the principal electron shell of the atom. The positive whole number values starting from 1,2,3 and so on..

Explanation:

All orbitals that have the same value of n are said to be in the same shell (level). For a hydrogen atom with n=1, the electron is in its ground state; if the electron is in the n=2 orbital, it is in an excited state. The total number of orbitals for a given n value is n2.

6 0
2 years ago
A person on earth would weigh a lot more on the sun due to increased ________________. gravity mass atoms energy
klemol [59]
A person on Earth would weigh a lot more on the sun due to increased gravity.

The sun is a massive object as compared to the sun. It is assumed that the gravity must be a lot greater as well. It is the strong gravitational pull of the sun that keeps our planets from drifting off into space. No matter where you are the mass of an object will remain constant, so will the energy and the number of atoms they hold. 

The answer is gravity.
4 0
3 years ago
Read 2 more answers
What is the mass of an object that has a weight of 52N?
vredina [299]

Answer:

5.2Kg

Explanation:

mass=weight/gravitational pull

m=52/10

m=5.2kg

8 0
3 years ago
Heat is best defined as
Scilla [17]
There can be someone who think answer should be B but temperature isn' proportional with heat. The formula is Q=m.c.t , so it isn't definetly temperature. So answer should be D. Because A and C connect with force etc.

7 0
3 years ago
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