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Afina-wow [57]
4 years ago
10

Need help please!!!!

Physics
1 answer:
Naya [18.7K]4 years ago
4 0
If you think of the forces acting east, 9 + 4 - 10 = 3 east (the - 10 from the 10 acting west, opposite to east)
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Aleksandr [31]
1. First blank is A. Conductors
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3 years ago
Range of motion is the distance an object can travel when separated from another object. Please select the best answer from the
Lady_Fox [76]
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3 years ago
49. A block is pushed across a horizontal surface with a
nata0808 [166]

Answer:

(a) 37.5 kg

(b) 4

Explanation:

Force, F = 150 N

kinetic friction coefficient = 0.15

(a) acceleration, a = 2.53 m/s^2

According to the newton's second law

Net force = mass x acceleration

F - friction force = m a

150 - 0.15 x m g = m a

150 = m (2.53 + 0.15 x 9.8)

m = 37.5 kg

(b) As the block moves with the constant speed so the applied force becomes the friction force.

F = \mu m g \\\\150 = \mu\times 37.5\\\\\mu = 4

8 0
3 years ago
What the dog doin? <br><br> Legend says, no one has ever known what the dog has been doing.
Xelga [282]
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2 years ago
Un cuerpo de 3,5 kg se encuentra en reposo sobre un plano inclinado 37o. Está sujeto al extremo superior del plano inclinado med
Tems11 [23]

Answer:

1,1 m

Explanation:

Dado que;

coeficiente de fricción = 0,6

sabemos que W = R = mgcos 37 = 3.5Kg * 10m / s ^ 2 * cos37 = 27.95 N

coeficiente de fricción = fuerza / reacción normal (R)

Fuerza = 0.6 * 27.95 N

Fuerza (F) = 16.77 N

Recuerda que F = Ke

dónde;

K = constante de fuerza (15N / m)

e = extensión (lo desconocido)

e = F / K

e = 16,77 N / 15 N / m

e = 1,1 m

8 0
3 years ago
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