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NARA [144]
3 years ago
6

Please help me with 1 and 2

Physics
1 answer:
nikitadnepr [17]3 years ago
8 0
What are you asking us to anwser?
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Maxwell guessed that visible light was an electromagnetic wave because of its
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Becuase of it's speed
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4 years ago
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Please help with some/all questions on this worksheet
Roman55 [17]
A. Yes electricity is a fuel this is because protons are being displaced threw currents of electricity that are the used too charge a coil witch spins causing rotationional force And power too appropriate machine
B. Octane
C.one advantage is more power since octane is more combustable than electricity it makes gas or Diesel engines more powerful as too why there are no semi trucks being powered by electricity.
D. One disadvantage is effectively how well its fuel is spent gas is 69.78% less efficient
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2 years ago
3. Record the results from step two of the experiment (dropping the objects in a vacuum)
pickupchik [31]

Answer:

we cant do this you have to experiment for yourself we have no idea what this assignment is. We could answer it if it was an answer with a direct answer but this is something that you must do by yourself.

Explanation:

3 0
3 years ago
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1. Gwen exerts a 16 N horizontal force as she pulls a 32N sled across a cement
PSYCHO15rus [73]

Answer:

3.6 N   Kinetic friction

Explanation:

3 )   Ff = uk * Fn = 3.6 N

5 0
2 years ago
A transverse, sinusoidal wave travels in a string and can be described by the function: y(x,t)=0.87 sin(21x−4.9t). What is the s
pshichka [43]

Answer:

2.61m/s

Explanation:

Given the wave function;

y(x,t)=0.87 sin(21x−4.9t).

The general wave equation is expressed as;

y = Asin(2\pi ft + 2\pi x /\lambda)

f is the frequency of the wave

t is the time

\lambda\\ is the wavelength

On comparing;

2πft = 4.9t

2πf= 4.9

f = 4.9/2π

f = 4.9/2(3.14)

f = 4.9/6.28

f = 0.78Hz

Get the wavelength;

2πx/\lambda = 21x

2π/\lambda = 21

2π = 21\lambda

\lambda = 21/2π

\lambda = 21/2(3.14)

\lambda = 21/6.28

\lambda = 3.34m

Speed = frequency * wavelength

Speed of the wave = 0.78 * 3.34

Speed of the wave = 2.61m/s

Hence the speed of the wave is 2.61m/s

5 0
3 years ago
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