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Scrat [10]
2 years ago
8

Which is an example of a non-contact force?

Physics
1 answer:
Arada [10]2 years ago
4 0
Examples of this force include: electricity, magnetism, radio waves, microwaves, infrared, visible light, X-rays and gamma rays.
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the motion of a particle along a straight line is represented by the position versus time graph above. at which of the labeled p
atroni [7]

Point A has the largest magnitude of acceleration as compared to other points on the position verses time graph.

On the graph, A is the point where magnitude of the acceleration of the particle is greatest as compared to other positions on the graph because the height of point A is the largest as compared to other points of the graph.

The graph shows at which point acceleration of an object is higher and lower so we can conclude that point A has the largest magnitude of acceleration as compared to other points on the position verses time graph.

Learn more about acceleration here: brainly.com/question/933224

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3 0
2 years ago
What does the angular momentum quantum number determine? Check all that apply.
amm1812
I think the correct answers from the choices listed above are options 1, 5 and 7. Angular momentum quantum number determine the energy of an orbital, the shape of the orbital and <span>the overall size of an orbital. Hope this answers the question.</span>
8 0
3 years ago
Read 2 more answers
Which statement best describes why some materials are NOT magnetic?
hammer [34]

B

paired electrons spin in opposite directions cancelling their magnetic fields

3 0
2 years ago
You pull downward with a force of 27.3 N on a rope that passes over a disk-shaped pulley of mass 1.43 kg and radius 0.0792 m. Th
Salsk061 [2.6K]

Answer:

The tension in the left side string = 17.21 N

The tension in the right side string = F = 27.3 N

Explanation:

Given that

F= 27.3 N

M= 1.43 kg ,r= 0.0792 m

Moment of inertia of disk ,I = 0.5 m r²

I = 0.5 x 1.43 x 0.0792² = 0.0044 kg.m²

m= 0.7 kg

Lets take linear acceleration of system is a m/s²

Lets take tension in left side string = T

From Newtons law

T- mg = ma  

T- 0.7 x 10 = 0.7 a  ----------1

(F - T) r = I α      

α = Angular acceleration of disk

a = α  r

(F - T) r = I α  

(F - T) r² = I a  

( 27.3 - T) x 0.0792² = 0.0044 a        --------2

Form equation 1 and 2

a= 1.42 T - 10 m/s²

a = 1.42 ( 27.3 - T)  m/s²

1.42 T - 10 = 38.9 - 1.42 T

T=17.21 N

The tension in the right side string = F = 27.3 N

5 0
3 years ago
I need help ASAP!
san4es73 [151]

Answer:

b.

Explanation:

7 0
2 years ago
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