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RoseWind [281]
3 years ago
11

Which of the following statements is not true

Physics
1 answer:
mixer [17]3 years ago
3 0

Answer:

The answer is the First One

Explanation:

Electromagnets can work with a magnetic source, and not just electric. sorry if my answer turns out to be wrong

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Cómo puedo saber si el agua destilada que nos vendieron es destilada de verdad?
Pepsi [2]

Answer:

Caliente el agua del grifo hasta que se convierta en vapor. Cuando el vapor se vuelve a condensar en agua

Explanation:

7 0
3 years ago
Why are mud shoes better then high heels
Ksju [112]

Answer:

you can do anyhthing in mud shoes that you cant in high heels duh

Explanation:

5 0
3 years ago
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3. Same questions as the previous problem, but for mass m just falling 3 meters in a vacuum: (a) How long does it take mass m to
sveticcg [70]

Answer:

a) 0.78 s

b) 58.86m/s'

c) Galileo's law of free fall

Explanation:

a) x = v_{i}t + \frac{1}{2}at^{2} \\3 = 0*t+\frac{1}{2} *9.81*t^{2}\\t=\sqrt{\frac{6}{9.81} }

b)At the bottom:

kinetic energy = potential energy

\frac{1}{2}mv^{2} = mgh\\ v^{2} =2*9.81*3=58.86m/s downwards

c) Galileo's law of free fall says regardless of the masses, bodies in a vacuum will fall, on the earth, at the same acceleration

3 0
3 years ago
People travel from all over the world to see more than 30 glaciers at Glacier National Park in Alaska.
Whitepunk [10]
The answer I believe is c
Explanation
During the day when temperatures are higher, the snow melts and water enters the cracks in the rock. When the temperature drops below 0°C the water in the crack freezes and expands by about 9 per cent. This makes the crack larger.
3 0
3 years ago
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A tugboat pulls a ship with a constant net horizontal force of 5.00 x 10 to the 3 power n and causes the ships to move through a
Mashutka [201]
Work is force times distance. So here we have
W=(5000N)x(3000m)=1.5x10^7J
Or 15MJ (megajoules)
5 0
3 years ago
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