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8090 [49]
3 years ago
14

Define 1 unit electricity​

Physics
1 answer:
Tomtit [17]3 years ago
4 0

Answer:

A unit is represented in kWH or Kilowatt Hour. This is the actual electricity or energy used. If you use 1000 Watts or 1 Kilowatt of power for 1 hour then you consume 1 unit or 1 Kilowatt-Hour (kWh) of electricity.

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What would be the best way for her to do this?
andrew-mc [135]
Need more info plz :)


5 0
4 years ago
A playground carousel is rotating counterclockwise about its center on frictionless bearings. A person standing still on the gro
Shtirlitz [24]

Answer:

1.94601 rad/s

Explanation:

I_1 = Moment of inertia of carousel = 124 kgm²

\omega_1 = Angular speed of carousel = 3.5 rad/s

\omega_2 = Angular speed of person

r = Radius of carousel = 1.53 m

m = Mass of person = 42.3 kg

Moment of inertia of person

I_2=mr^2\\\Rightarrow I_2=42.3\times 1.53^2\\\Rightarrow I_2=99.02007\ kgm^2

As the angular momentum is conserved in the system

I_1\omega_1=(I_1+I_2)\omega_2\\\Rightarrow \omega=\frac{I_1\omega_1}{(I_1+I_2)}\\\Rightarrow \omega_2=\frac{124\times 3.5}{(124+99.02007)}\\\Rightarrow \omega_2=1.94601\ rad/s

The angular speed of the carousel after the person climbs aboard is 1.94601 rad/s

5 0
3 years ago
Why are most volcanoes found where the Earth's crust has been broken?
Bad White [126]

Answer:

the awnser to the question is Is C

4 0
3 years ago
Which of the following directly contributed to soil erosion on the Great Plains in the 1930s?
NISA [10]

Answer:

Farming  

Explanation:

There were three droughts in the 1930s.

Farmers had deep plowed the land and killed the native grasses that trapped soil and moisture.

During the droughts, the moisture evaporated, and the loose soil turned to dust.

4 0
4 years ago
Alice and Bob sit on a see saw, that consists of a uniform beam of mass 20kg and a fulcrum rock, that acts as a pivot point. The
tankabanditka [31]

Answer:

Explanation:

Given

Mass of alice M_a=50 kg

Mass of bob M_b=70 kg

Mass of beam M=20 kg

Suppose fulcrum is at distance of d from bob thus From diagram

Equating torque i.e. torque of Bob,Alice and beam must cancel out each other to be balanced

500\times (8-d)+20\times (4-d)=70\times d

400-50d+80-2d=70d

480=140d

d=\frac{480}{140}

d=3.43 m    

5 0
4 years ago
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