3 years ago

Pls help! What would be considered an antonym for law of superposition??

Physics

1 answer:

OverLord2011 [107]3 years ago

8 0

Answer:

do you have any pictures or any answers we can choose from?

Explanation:

This is an incomplete question.

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Objects falling through air experience a type Of friction called ____

DaniilM [7]

Answer: That's air resistance.

Explanation: Well, air resistance is an upward force exerted on falling objects.

( I hope this helped <3 )

6 0

4 years ago

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The acceleration of gravity on earth is approximately 10 m/s2 (more precisely, 9.8 m/s2. if you drop a rock from a tall building

VLD [36.1K]

From the equation;
a= -1÷2gT2
a= -5×3(3)
a= -45m/s
it will drop about -45m/s2.

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3 years ago

A rope swing is hung from a tree right at the edge of a small creek. The rope is 5.0 m long; the creek is 3.0 m wide.

irina [24]

Answer:

1) T = 4.5 s

2) T = 4.5 s

3) v = 9.9 m/s

Explanation:

We can use the equation

T = 2π√(L/g)

1) T = 2π√(5m/9.81 m/s²) = 4.5 s

2) T = 2π√(L/g)

T = 2π√(5m/9.81 m/s²) = 4.5 s

3) v = √(2gR)

v = √(2(9.81 m/s²)(5m))

v = 9.9 m/s

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4 years ago

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A 1500-nF capacitor with circular parallel plates 2.0 cm in diameter is accumulating charge at the rate of 40.0 mC/s at some ins

Delvig [45]

Answer:

$B= 1.14 X 10^{-7} Tesla$

Explanation:

B at point 7.0 cm radially outward is to find out?

Now for field strength in case of parallel plates in given as

$B=\frac{I\mu}{2r\pi}$

$B=\frac{4\pi X 10^{-7} \frac{Tm}{A}X40 X10^{-3} \frac{C}{s}}{2X0.07mX\pi}$

$B= 1.14 X 10^{-7} Tesla$

For the second part as Capacitor is fully charged no more flow of current could take place hence

I= Current =o

so B = 0

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3 years ago

If a small motor does 520 J of work to move a toy car 260 m, what force does the engine exert on the car?

ohaa [14]

Answer:

Explanation:

The force engine exert on the car can be found by using the formula

$f = \frac{w}{d} \\$

w is the workdone

d is the distance

From the question we have

$f = \frac{520}{260} = 2 \\$

We have the final answer as

Hope this helps you

4 0

3 years ago