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tatuchka [14]
3 years ago
11

Define: primary and secondary coils

Physics
1 answer:
Hoochie [10]3 years ago
6 0
<em><u>Primary coil:</u></em><em><u /></em><u />
It is the part of electric circuit in which input voltage is applied,,and it induces current in neighbouring secondary coil...
<em><u>Secondary coil:</u></em><em><u /></em><u />
It is the coil in which current is induced by primary coil...
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In a physics experiment, two equal-mass carts roll towards each other on a level, low-friction track. One cart rolls rightward a
xz_007 [3.2K]

Answer:

The correct answer is option a.

Explanation:

Conservation of momentum :

m_1u_1+m_2u_2=m_1v_1+m_1v_2

Where :

m_1, m_2 = masses of object collided

u_1,u_2 = initial velocity before collision

v_1,v_2 = final velocity after collision

We have :

Two equal-mass carts roll towards each other.

m_1=m_2=M

Initial velocity of m_1=u_1=2 m/s

Initial velocity of m_2=u_2=-1 m/s (opposite direction)

Final velocity of m_1=v_1=v (same direction )

Final velocity of m_2=v_2=v  (same direction)

M\times 2 m/s+M(-1 m/s)=Mv+Mv

1 m/s=2v

v = 0.5 m/s

rg135

The speed of the carts after their collision is 0.5 m/s.

7 0
4 years ago
Compare and contrast inference and critical thinking
fgiga [73]
Critical Thinking means to rush to find a solution for a problem - Inference means to having a conclusion to the situation you were facing. 

What they both have in common is that if you are facing a problem, you have to come up with a good solution so that you would have a conclusion to the problem you had in the first place.
5 0
3 years ago
Calculate the speed of an object that travels 75m in 15s
vodka [1.7K]

Answer:

speed =distance/time taken

5 m/s

6 0
3 years ago
MEASUREMENT
lubasha [3.4K]

Answer:

You would need to type the numbers in the question or you could have added a picture but you didn't so there is no way to answer this question. Have a nice day!

5 0
3 years ago
You are in a spaceship moving in a straight line at constant speed. You cannot see out of the ship. Assuming perfectly uniform m
Dimas [21]

Answer:

There is no experiment to prove that you are in motion

Explanation:

A frame of reference which has constant velocity is known as an inertial frame of reference. Motion is relative. One can detect one's motion only when one observes change in position with respect to a fixed body.

Thus, if you are in a spaceship moving at a constant speed in a straight line and unable to look outside, you would not be able to prove that you are moving. Everything within the spaceship would have same speed. If you will throw any object within the spaceship, then the parameters measured by you would also not show that the spaceship is in motion.

8 0
4 years ago
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