2 years ago

What do you meant by varnier constant?

Physics

1 answer:

Soloha48 [4]2 years ago

3 0

Answer:

the ratio of the smallest division of main scale to the number of divisions of the vernier scale.

Explanation:

difference between the value of one main scale division and one vernier scale division

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Your friend wants to be magician and intends to use Earth’s magnetic field to suspend a current-carrying wire above the stage. H

sesenic [268]

Answer:

$I=1960A$

Explanation:

Under this condition, . In order to suspend the wire, this magnetic force would have to be equal in magnitude to the gravitational force exerted by Earth on the wire the maximum force at angle

F=ILxB

Now to the suspend the wire so use the maximum force and solve to the current knowing the magnetic field of the earth

∑Fy=0

$F_{m}-F_{g}=0$

$I*L*\beta-m*g=0$

Solve to I current

$I=\frac{m*g}{L*\beta}$

$I=\frac{10x10^{-3}kg*9.8m/s^2}{1m*0.5x10{-4}T}$

$I=1960A$

I suggest do an toher act is really risk that current for an act

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3 years ago

How does the movement of particles of matter change when temperature decreases

Zanzabum

INCREASE in temperature of the material practically increase the energy of the particles. which increases their motion due to increase in energy . thus when the temperature is decreased the energy level decreases which causes the particle's motion to slow down.. the motion of the particle is highly reduced when the temperature is lowered

4 0

3 years ago

А man runs 20 km west is hows. He then runs 20km 60° north or west 2.5 hours. what's the average velocity the Runnner?

shepuryov [24]

Explanation:

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