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nexus9112 [7]
4 years ago
10

Which of the following is the condition that exists when the frequency of the force applied to a system matches the natural freq

uency of the vibration of the system
Physics
1 answer:
Tpy6a [65]4 years ago
3 0

Answer:

Mechanical resonance is the tendency of a mechanical system to respond at greater amplitude when the frequency of its oscillations matches the system's natural frequency of vibration (its resonance frequency.

Explanation:

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Which action will cause the magnetic force to push two magnets closer together?
Sergeu [11.5K]

The action that will cause the magnetic force to push two magnets closer together: is that of attraction which happens when opposite poles of the magnets approach.

<h3>Meaning of magnetic force</h3>

magnetic force can be defined as the effect that is felt by magnetic objects that causes attraction and repulsion.

A magnetic force attracts two magnets when they are in opposite poles and repels them if they are in the same pole.

In conclusion, The action that will cause the magnetic force to push two magnets closer together: is that of attraction which happens when opposite poles of the magnets approach.

Learn more about magnetic force: brainly.com/question/2279150

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8 0
2 years ago
41. City A lies 30 km directly south of city B. A bus, beginning at city A travels 50 km at 37° north of east to reach city C. H
Nana76 [90]

Answer:

B) 40 km West

Explanation:

Let position of B is origin so with respect of City B the position of A is given as

r_A = 30 km south of city B

now Bus starts from City A and travels a distance of 50 km at 37 degree North of East to reach city C

so it is

r_{CA} = 50(cos37\hat i + sin37 \hat j)

r_{CA} = 40\hat i + 30\hat j

now the position of C is given with respect to A

in order to find the position of C with respect to B we can say

r_C = r_{CA} + r_A

r_C = 40\hat i + 30\hat j + (-30 \hat j)

r_C = 40 \hat i

so in order to reach at city B from city C bus has to travel 40 km towards West

7 0
3 years ago
Identify one force acting on the cart.
Artist 52 [7]

Answer:

pulling force

Explanation:

because the person is pulling that cart.

5 0
3 years ago
22= 1/2 9.8 t^2
djverab [1.8K]

Answer:

5790 i dony kiow

Explanation:

6 0
3 years ago
What is the fundamental rule of electricity
AlexFokin [52]
<span>positive and negative are said to be opposite types of charge. 

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6 0
3 years ago
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