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SpyIntel [72]
2 years ago
6

What is special about a DC circuit?

Physics
2 answers:
muminat2 years ago
5 0

Answer:

the current only flows in one direction (the current alternates in an AC circuit)

Explanation:

Maurinko [17]2 years ago
3 0

Answer: charge moves in a single direction. -Apax

Explanation:

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A ball is thrown so that its initial vertical and horizontal components of velocity are 30 m/s and 15 m/s, respectively. Estimat
mihalych1998 [28]

Answer:

H = 45 m

Explanation:

First we find the launch velocity of the ball by using the following formula:

v₀ = √(v₀ₓ² + v₀y²)

where,

v₀ = launching velocity = ?

v₀ₓ = Horizontal Component of Launch Velocity = 15 m/s

v₀y = Vertical Component of Launch Velocity = 30 m/s

Therefore,

v₀ = √[(15 m/s)² + (30 m/s)²]

v₀ = 33.54 m/s

Now, we find the launch angle of the ball by using the following formula:

θ = tan⁻¹ (v₀y/v₀ₓ)

θ = tan⁻¹ (30/15)

θ = tan⁻¹ (2)

θ = 63.43°

Now, the maximum height attained by the ball is given by the formula:

H = (v₀² Sin² θ)/2g

H = (33.54 m/s)² (Sin² 63.43°)/2(10 m/s²)

<u>H = 45 m</u>

6 0
2 years ago
A compound whose molecules contain one boron atom and three fluorine atoms would be named monoboron fluoride. Please select the
Slav-nsk [51]
I know it is false...............

5 0
3 years ago
Which question asks for an opinion?
blsea [12.9K]

Answer:

C

Explanation:

It says is it a good idea the person so 1 person can say no and the other one can say yes so it is asks for a opinion

5 0
3 years ago
How many significant figures are in 107 moles of sodium
Blizzard [7]

Answer:

3 significant figures

Explanation:

here  zero is counted as one of the significant figures since it lies next to an integer.

hence the number has 3 sfg

8 0
2 years ago
If you act without reason or sound judgement, people will describe you as __________.
EastWind [94]

Answer:

irrational

Explanation:

8 0
2 years ago
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