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exis [7]
3 years ago
12

How do I remember the Mohs hardness scale?

Physics
1 answer:
yanalaym [24]3 years ago
6 0
It's a hardness scale from 1-10 determining how easy or hard it is to scratch the mineral.

Remember that talc (like chalk or baby powder) is the softest and easiest to scratch then diamond being 10 is the hardest mineral to scratch or break or cut

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A 15.0 cm diameter circular loop of wire is placed with the plane of the loop parallel to the uniform magnetic field between the
velikii [3]

Answer:0.0144 tesla

Explanation:

Magnetic field strength is the same as Magnetomotive force

B= I/2πr

B=magnetic field strength

I=current

r=radius=0.15/2=0.75m

Area=πr2= 1.77m2

torqueT= NIABsin theta

B= T/NIABsin theta

B=0.135/1 * 5.3 * 1.77 *sin90

B=0.0144 tesla

6 0
3 years ago
A ray of white light moves through the air and strikes the surface of water in a beaker. The index of refraction of the water is
Snezhnost [94]

Answer:

La frecuencia será la misma en los dos medios, y en el vacio, no varia.

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,6 105 10 Hz

3,161 10 m

v 1,93 10 m/s 193548,38 km/s =

1,55

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n

c

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33,1

10 3 m/s

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a

6 0
3 years ago
Suppose you are running late in the morning and drying your hair in the kitchen with the hairdryer plugged into the outlet with
lesantik [10]

Answer:

Explanation:

It is given that Hair dryer , Toaster and coffeepot are working simultaneously with power 1200 W , 700 W and 800 W respectively.

So the total power of system is P_t=1200+700+800=2700\ W

it is given that they work properly until toast is on.

By switching on the toast, appliance stop working because it may cause the circuit to break to safeguard the circuit.

Circuit breaker frame  are used in home to prevent the short circuit              

7 0
4 years ago
A waterwheel is an example of: wave energy tidal energy wind energy hydro energy
Nesterboy [21]
A waterwheel is an example of Tidal energy
6 0
3 years ago
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What term best describes the regular path of a spacecraft or other object around a planetary body?
Law Incorporation [45]
B. Orbit. The planets orbit the sun, the moon orbits earth, etc.
7 0
3 years ago
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