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a_sh-v [17]
2 years ago
13

Neutrons are also known as____

Physics
2 answers:
PilotLPTM [1.2K]2 years ago
4 0
C.alpha particles....
MA_775_DIABLO [31]2 years ago
3 0

Answer:

alpha particals

Explanation:

i had tthis on a quiz its 100% correct

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Based on what you know about how light travels, explain why
Mkey [24]

Answer:

you can't see your back because your neck can only move in fixed direction

8 0
3 years ago
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Which type of energy is produced
Andreyy89

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C. sound energy

Explanation:

hope this helps

5 0
3 years ago
A 40.0 kg wheel, essentially a thin hoop with radius 0.810 m, is rotating at 438 rev/min. It must be brought to a stop in 21.0 s
garik1379 [7]

Answer:

(a) Workdone = -27601.9J

(b) Average required power = 1314.4W

Explanation:

Mass of hoop,m =40kg

Radius of hoop, r=0.810m

Initial angular velocity Winitial=438rev/min

Wfinal=0

t= 21.0s

Rotation inertia of the hoop around its central axis I= mr²

I= 40 ×0.810²

I=26.24kg.m²

The change in kinetic energy =K. E final - K. E initail

Change in K. E =1/2I(Wfinal² -Winitial²)

Change in K. E = 1/2 ×26.24[0-(438×2π/60)²]

Change in K. E= -27601.9J

(a) Change in Kinetic energy = Workdone

W= 27601.9J( since work is done on hook)

(b) average required power = W/t

=27601.9/21 =1314.4W

4 0
3 years ago
Read 2 more answers
if motorbike can travel 90 kilometre on 2 litre of petrol find the distance it can travel on 5 litre of petrol​
ella [17]
The motor bike can travel 225 kilometers on 5 liters of petrol
4 0
2 years ago
An object elongates from a length of 45 cm to a length of 55 cm. The percent strain is
suter [353]

Answer:

22%

Explanation:

55 - 45 = 10

10/45 simplifies to 2/9

2/9 = 0.22222... so 22.22% (rounded 22%)

5 0
2 years ago
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