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Leviafan [203]
3 years ago
6

Please Someone Help Me...

Physics
1 answer:
goldenfox [79]3 years ago
6 0

Answer:

Hi myself Shrushtee.

Explanation:

The fuse is connected to the live wire so that the appliance will not become charged (have a potential difference of 230 V) after the fuse has melted due to excessive current. Fuses must be fitted onto the live wire so that when it blows, it will disconnect (isolate) the appliance from the high voltage live wire.

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Tire marks left by a decelerating car were 500. m long. If the car’s acceleration was -8.00 m/s2, what was its initial velocity?
icang [17]

Answer:

-0.16

Explanation:

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3 years ago
Our ancestors are our guides?​
aleksandr82 [10.1K]

Answer:

yes

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we can clearly say that our ancestor are our guide.

Because of they give us different knowledge about evolution of life and etc.

4 0
3 years ago
A force of 6N and another of 8N can be applied together to produce the effect of how much newtons?
const2013 [10]
12N because you are just adding those two up on the same side
5 0
3 years ago
Read 2 more answers
two objects were lifted by machine one object had a massive 2 kg it was lifted at a speed of 2 m/s the other had a massive 4 kg
rosijanka [135]
Kinetic energy =(1/2) (mass) (speed²)

First object:  KE = (1/2) (2 kg) (2m/s)² =  4 joules during the lift.

Second object:  KE = (1/2) (4kg) (3 m/s)² = 18 joules during the lift.

The second object has more kinetic energy while it's being lifted
than the first object has while it's being lifted. Once they reach their
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8 0
4 years ago
Lightning As a crude model for lightning, consider the ground to be one plate of a parallel-plate capacitor and a cloud at an al
olga nikolaevna [1]

Answer:

6.67154\times 10^{-9}\ F

13.009503 C

Explanation:

\epsilon_0 = Permittivity of free space = 8.85\times 10^{-12}\ F/m

k = Dielectric constant of air 3\times 10^6\ V/m

Side of plate = 0.7 km

A = Area

d = Distance = 650 m

Capacitance is given by

C=\dfrac{\epsilon_0A}{d}\\\Rightarrow C=\dfrac{8.85\times 10^{-12}\times 700^2}{650}\\\Rightarrow C=6.67154\times 10^{-9}\ F

The capacitance is 6.67154\times 10^{-9}\ F

Electric field is given by

Q=CV\\\Rightarrow Q=Ckd\\\Rightarrow Q=6.67154\times 10^{-9}\times 3\times 10^6\times 650\\\Rightarrow Q=13.009503\ C

The charge on the cloud is 13.009503 C

7 0
3 years ago
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