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SashulF [63]
3 years ago
6

Need help with Physics. 100 points + Brainliest

Physics
2 answers:
kiruha [24]3 years ago
8 0

Answer:

I wrote down the answer and attached it below.

Explanation:

Hope this Helps!!!!

⬇⬇⬇⬇⬇⬇⬇⬇

Gemiola [76]3 years ago
3 0

Answer:

Every electric charge has a electric field.

The charges in the electric field are affected each other.

As you move away from the electric charge, the intensity of the electric field decreases.

The electric field is a vector quantity.

The electric field of each charge is calculated to find the intensity of the electric field at a point.

The vectorial sum of the vectors are found.

The electric field of the positive charge is directed outward from the charge.

Explanation:

mark me brainelset please I really do need it to level up.

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Answer:

B 150g

Explanation:

b 150g mass of water remains the same when it changes state

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3 years ago
An electron is travelling in the positive x direction. A uniform electric field is in the negative y direction. If a uniform mag
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Answer:

into the page

Explanation:

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3 0
3 years ago
You are standing on a train station platform as a train goes by close to you. As the train approaches, you hear the whistle soun
adoni [48]

Answer: v = (33320 - 340f2)/( f2 + 98)

Explanation: this question refers to Doppler effect, hence,

f1 = { V / (V - v)} x f2

f1 = 98Hz, f2 = 76 Hz, V = 340m/s, v = ?, fs = fsourcs

For f1,

98 = { 340 / (340 + v)} x fs ...(i)

for f2,

f2 = { 340 / (340 - v)} x fs ... (ii)

Divide (ii) by (i)

98/f2 = [{ 340 / (340 + v)} x fs]÷ [ 340 / (340 - v)} x fs]

98/f2 = {340 / (340 + v)} x fs x (340 - v)} / 340 x fs

98/f2 = (340 + v)/ (340 - v)

Cross multiplying

98(340 - v) = f2 (340 + v)

33320 - 98v = 340f2 + vf2

Collecting like terms

vf2 +98v = 33320 - 340f2

v(f2 +98) = 33320 - 340f2

v = (33320 - 340f2)/( f2 + 98)

5 0
4 years ago
This multiple-concept example provides a review of the concepts that play roles here. An engine has an efficiency of 63% and pro
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Answer:

8387 J

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efficiency of 63%

the efficiency η= Work done÷ heat supplied

\eta= \frac{W}{Q_s}

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