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Verizon [17]
3 years ago
14

15 to who helps me out!

Physics
1 answer:
s2008m [1.1K]3 years ago
7 0

Answer:

a. same

b. less

c. same

d. same?

Explanation:

the mass will always be the same no matter where it is. the weight however depends on the gravity.

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How do you measure the amplitude of a longitudinal wave?
sp2606 [1]

You do it by the pressure difference it causes in the medium. Even in transversal waves, you usually need different units than meters because the wave has electric and magnetic vectors and not really any height to speak of.

you measure the amount of excursion from the equilibrium (no wave) level of whatever parameter is fluctuating.


3 0
4 years ago
What can one say for sure about element #99, Einsteinium (Es))? a) There's no such element! b) It is an alkali metal. c) It is r
Dmitrij [34]

Answer:

Option (C)

Explanation:

Einsteinium is an element of the periodic table grouped in the Actinide series, with atomic number 99. They are dense element and highly electro-positive. <u>They are highly radioactive</u>, i.e the atoms within the element are unstable and constantly decay until they reach a stable environment. It has 99 number of electrons and protons, 153 number of neutrons.

Due to its high radioactivity, they are health hazardous and can used in making nuclear weapons but their uses are very limited and unknown.

Thus, the correct answer is option (C).

8 0
4 years ago
A student decides they would like to have hands-on experience when it comes to transformers. The student takes an iron core (squ
Sergeu [11.5K]

Answer:

a ) 3 v

b ) 400 mA

Explanation:

In case of transformer there is relation between no of turns in primary and secondary coils and voltage input and output as follows

V₁ / V₂ = n₁ / n₂

Where V₁ and V₂ are input and output voltage and n₁ and n₂ are no of turns of primary and secondary coils.

Here V₁ = 1.5 v , V₂ = ? , n₁ = 10 , n₂ = 20

Put the values in the equation above

1.5 / V₂ = 10 / 20

V₂ = 3 v.

Similarly formula for current is as follows

I₁ / I₂ = n₂ / n₁

Whereas I₁ and I₂ are current in primary and secondary coil

Put the values in the equation above

I₁ / 200 mA = 20 / 10

I₁ = 400 mA.

6 0
3 years ago
The equation that is used to solve second law problems is # F= ma.
maw [93]
F= Force 
M=Mass
A= acceleration 
F=N 
Mass= in grams or kilo grams (mostly kg)
A= m/s 

8 0
3 years ago
Consider the data table charting the speed of a toy car moving across the floor. The line graph representing this data would BES
MrMuchimi

Answer:

The answer is D) diagonal line with varying slope, from 3 to 5 on USATestprep

Explanation:

4 0
3 years ago
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