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Sveta_85 [38]
3 years ago
6

Using component notation, enter the vector B⃗ B→B_vec in the answer box. Enter your answer as a pair of vector components, separ

ated by a comma. You should not enter any parentheses.

Physics
1 answer:
Tomtit [17]3 years ago
8 0

Complete Question

The complete question is shown on the first uploaded image

Answer:

   The value is \vec  B  =  2, -3

Explanation:

Looking at the graph in the diagram we see each unit is equal to 1 both in the x axis and in the y- axis

  Now the value of B along the x axis is  

         B_x = 2

and along the y axis the value  is  

        B_y  = -3

Hence the vector B is

     \vec  B  =(B_x  , B_y)=  ( 2, -3)

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Annette [7]

Assume the snow is uniform, and horizontal.

Given:

coefficient of kinetic friction = 0.10 = muK

weight of sled = 48 N

weight of rider = 660 N

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Force required to maintain a uniform speed

= coefficient of kinetic friction * normal force

= muK * N

= 0.10 * 708 N

=70.8 N


Note: it takes more than 70.8 N to start the sled in motion, because static friction is in general greater than kinetic friction.


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3 years ago
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ddd [48]
Which way is it being pulled?
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An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. What other characteristic does the radiation
weeeeeb [17]

<u>Answer:</u> The radiation emitted will have negligible mass number.

<u>Explanation:</u>

Radioactive decay is defined as the process in which an unstable nuclei breaks down into stable nuclei via various methods.

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3 0
3 years ago
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dolphi86 [110]
The basic relationship between frequency of an electromagnetic wave and wavelength of the wave is
c = \lambda f
where c=3 \cdot 10^8 m/s is the speed of light.

Manipulating the equation, we can rewrite it as
\lambda =  \frac{c}{f}

The frequency of the wave in our problem is
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3 years ago
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