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KengaRu [80]
3 years ago
11

2. Which of the following is not used to calculate kinetic energy?

Physics
2 answers:
Komok [63]3 years ago
4 0

Answer:

speed cannot be used to calculate the temperature

astraxan [27]3 years ago
4 0
Speed :) hope this helps
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Need help really fast ! can give brainliest if correct :> thanks <3
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Answer:

2. Move faster

Explanation:

Because you lighten the weight and pushed at the same speed it is easier to push the 400-grams than the 800-grams.

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9. What is the gravitational potential energy of a 61.2 kg person standing on the roof of a 10-storey building? (Each storey is
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15009

Explanation:

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1 example of a conductor and 1 example of a insulator in your EVERYDAY world.
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1. How does RNA differ from DNA?
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A circular loop of wire with radius 2.00 cm and resistance 0.600 Ω is in a region of a spatially uniform magnetic field B⃗ that
Anika [276]

Answer:

Incomplete questions

Let assume we are asked to find

Calculate the induced emf in the coil at any time, let say t=2

And induced current

Explanation:

Flux is given as

Φ=NAB

Where

N is number of turn, N=1

A=area=πr²

Since r=2cm=0.02

A=π(0.02)²=0.001257m²

B=magnetic field

B(t)=Bo•e−t/τ,

Where Bo=3T

τ=0.5s

B(t)=3e(−t/0.5)

B(t)=3exp(-2t)

Therefore

Φ=NAB

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Φ=0.00377exp(-2t)

Now,

Induce emf is given as

E= - dΦ/dt

E= - 0.00377×-2 exp(-2t)

E=0.00754exp(-2t)

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E=0.00754exp(-4)

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b. Induce current

From ohms laws

V=iR

Given that R=0.6Ω

i=V/R

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i=0.00023A

i=0.23mA

5 0
3 years ago
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