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STALIN [3.7K]
4 years ago
11

A "slump" moves on a relatively round slide surface. true or false

Physics
2 answers:
Feliz [49]4 years ago
8 0
False is your answer .-.
Firlakuza [10]4 years ago
8 0
I believe it's false cause i dont think slump is a word
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If the photon scatters in the backward direction, what is the magnitude of the linear momentum of the electron just after the co
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8 0
3 years ago
A student, along with her backpack on the floor next to her, are in an elevator that is accelerating upward with acceleration a.
Anna007 [38]

Answer:

\mu_k = \frac{2(vt - L)}{(g + a) t^2}

Explanation:

As we know that backpack is kicked on the rough floor with speed "v"

So here as per force equation in vertical direction we know that

N - mg = ma

so normal force on the block is given as

N = mg + ma

now the magnitude of kinetic friction on the block is given as

F_f = \mu N

F_f = \mu (mg + ma)

now when bag is sliding on the floor then net deceleration of the block due to friction is given as

a = - \frac{F_f}{m}

a = -\mu_k(g + a)

now we know that bag hits the opposite wall at L distance away in time t

so we have

d = v t + \frac{1}{2}at^2

L = vt - \frac{1}{2}(\mu_k)(g + a) t^2

\mu_k = \frac{2(vt - L)}{(g + a) t^2}

8 0
3 years ago
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