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diamong [38]
2 years ago
6

a straight wire that is 0.60m long and carrying a current of 2.0a is placed at an angle with respect to a magnetic field of stre

nght 0.30t if the wire experiences a force of magnitude 0.18 n what angle does the wire
Physics
1 answer:
Rashid [163]2 years ago
8 0

Answer:

The  angle is  \theta =  30^o

Explanation:

From the question we are told that

    The length of the wire is  l = 0.60 \ m

    The current is  I  =  2.0 \ A

    The magnetic field strength is  B  =  0.30 \ T

     The magnitude of the magnetic force is  F _b  =  0.18  \ N

Generally the magnetic force exerted on the wire is mathematically represented as

      F_b  =  I  *  l  *  B * sin \theta

Making \theta the subject

      \theta =sin^{-1} [ \frac{ F_b }{I  *  l  *  B } ]

substituting values    

      \theta =sin^{-1} [ \frac{ 0.18 }{ 2.0   *   0.6  *   0.3 } ]

     \theta =  30^o

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Cart 1 has an initial velocity and hits cart 2 which is stationary. after a perfectly inelastic collision, the combined carts ar
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Option(a)  the mass of cart 2 is twice that of the mass of cart 1 is the right answer.

The mass of cart 2 is twice that of the mass of cart 1  is correct about the mass of cart 2.

Let's demonstrate the issue using variables:

Let,

m1=mass of cart 1

m2=mass of cart 2

v1 = velocity of cart 1 before collision

v2 = velocity of cart 2 before collision

v' = velocity of the carts after collision

Using the conservation of momentum for perfectly inelastic collisions:

m1v1 + m2v2 = (m1 + m2)v'

v2 = 0 because it is stationary

v' = 1/3*v1

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