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bazaltina [42]
4 years ago
8

Certain materials can become superconductors under what conditions?

Physics
2 answers:
Nikitich [7]4 years ago
6 0
When it is very cold. If this is useful please let me know
Alex17521 [72]4 years ago
3 0
<span>Superconductors form under Extremely low temperatures which can allow all the electrons and atoms to conduct electricity with no resistance. so your answer would be "B"</span>
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It is now 9:11 a.m. but when the bell rings at 9:12 a.m. Susie will be late for Mrs. Garner's U.S. History class for the 3rd tim
GaryK [48]

Answer:

3.1 m/s

Explanation:

The total distance she has to run is the addition of the three lengths:

47 + 63 + 76 = 186 meters.

She needs to cover it one minute (60 seconds). Therefore her speed must be:

186 m / 60 s = 3.1 m/s

6 0
3 years ago
An object of mass 25kg is falling from the height h=10 m. calculate
r-ruslan [8.4K]

Answer:

a=2500J,b=1000K,c=1000J,d=14.142m/s

Explanation:

V²=U²+2gh

V²=0 + 2×10×10=200m/s

a).kinetic energy=(1/2)mv²=(1/2)25×200=2500

potential energy=mgh

p.e=25×10×10=2500J

pe+ke=2500+2500=5KJ

b).mgh=25×10×4=1000J

c). V²=U²+2gh

V²=0+2×10×4

V²=80

kinetic energy=(1/2)mv²

=(1/2)25×80

=1KJ

d). From my first paragraph V²=200

V=√200

V=14.142m/s

6 0
3 years ago
An electroscope is a device that has small gold foil strips suspended from a metal rod. A student brings a negatively charged ro
Sever21 [200]
I think it is neutral
4 0
4 years ago
After completing a career search, Patrick has decided that he wants to be a paralegal. Which two skills or abilities are importa
Aleks04 [339]
A and B you do not need creative thinking or math skills to be a paralegal
7 0
3 years ago
Read 2 more answers
A forklift raises a 72-kg crate onto a shelf 3.6 meters above the floor. How much gravitational potential energy does the crate
Mademuasel [1]

Answer:

<h2>2540.16 J</h2>

Explanation:

The gravitational potential energy of a body can be found by using the formula

GPE = mgh

where

m is the mass

h is the height

g is the acceleration due to gravity which is 9.8 m/s²

From the question we have

GPE = 72 × 9.8 × 3.6 = 2540.16

We have the final answer as

<h3>2540.16 J</h3>

Hope this helps you

8 0
3 years ago
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