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coldgirl [10]
2 years ago
14

What do the best conductors have in common?

Physics
2 answers:
tensa zangetsu [6.8K]2 years ago
6 0

Answer:

A super conductor is a perfect conductor that has zero resistance. It doesn't just have very low resistance and conducts electricity well, it has ZERO resistance and conducts electricity perfectly with no losses at all

OleMash [197]2 years ago
5 0
A super conductor is a perfect conductor that has zero resistance. It doesn't just have very low resistance and conducts electricity well, it has ZERO resistance and conducts electricity perfectly with no losses at all. In theory if you had a super conductor material it could be infinitely thin and infinitely long.
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On level ground a shell is fired with an initial velocity of 49.0 m/s at 70.0 โ above the horizontal and feels no appreciable ai
xenn [34]

Answer:

Horizontal component = 16.8 m/s

Vertical component = 46.0 m/s

Explanation:

If we denote the initial velocity by <em>v</em> and the angle above the horizontal by <em>θ</em>,

the horizontal component of this initial velocity is given by

v_x = v\cos \theta

v_x = (49.0\text{ m/s})\cos\,(70.0^\circ) = 16.8\text{ m/s}

The vertical component is given by

v_y = v\sin\theta

v_x = (49.0\text{ m/s})\sin\,(70.0^\circ) = 46.0\text{ m/s}

3 0
3 years ago
A child jumps on a trampoline. What causes the child to rise in the air
Veseljchak [2.6K]
The trampoline is loaded with multiple springs that counteract the gravitational forces of the mass of the child. If the Forces of the springs are bigger than the gravitational force of the child, the child will rise in the air.
6 0
3 years ago
If someone is whispering, but you cant hear them, how do you fix that problem?
Readme [11.4K]
The answer is C
Hope this helps!
6 0
3 years ago
Read 2 more answers
The inhabitants of a planet in another galaxy have their eyes at the exact center of their 4.0-m-long bodies. How long must a pl
kicyunya [14]

Answer:

The correct answer will be "2 m".

Explanation:

As we know,

⇒  \frac{Mirror's \ size}{Body's \ height} =\frac{1}{2}

Now,

⇒  Size \ of \ a \ mirror = \frac{n}{2}

Then,

⇒  Size \ of \ mirror = \frac{4}{2}

⇒                            =2 \  meter

7 0
3 years ago
A girl drops a pebble from a high cliff into a lake far below. She sees the splash of the pebble hitting the water 2.00s later.
Natali5045456 [20]

Answer:

19.62 ms

Explanation:

t = Time taken = 2 s

u = Initial velocity

v = Final velocity

s = Displacement

a = Acceleration due to gravity = 9.81 m/s² (downward direction is taken as positive)

Equation of motion

v=u+at\\\Rightarrow v=0+9.81\times 2\\\Rightarrow v=19.62\ m/s

The speed of the pebble when it hit the water is 19.62 ms

3 0
3 years ago
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