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3 years ago

10

10. The shape of the earth is A taco b. A carrot C. A sphere d. A potato

1 answer:

expeople1 [14]3 years ago

6 0

Answer:

C. A sphere.

Explanation:

I'm 100% sure.

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On a Saturday afternoon, you decide to pay a neighborhood kid to mow your lawn. The kid usesa manual push lawn mower with a mass

Mars2501 [29]

Answer with Explanation:

We are given that

A.Mass,m=12 kg

$\theta=53^{\circ}$

$\mu_k=0.16$

Speed,v=1.5m/s

Net force in x direction must be zero

$F_{net}=0$

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Net force in y direction

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$N=mg+Fcos\theta$

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$Fsin\theta-\mu_kFcos\theta=\mu_kmg$

$F(sin\theta-\mu_kcos\theta)=\mu_kmg$

$F=\frac{\mu_kmg}{sin\theta-\mu_kcos\theta}$

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$P=\frac{\mu_kmg}{sin\theta-\mu_kcos\theta}v$

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3 years ago