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Ahat [919]
3 years ago
13

Dùng một dao vòng có thể tích 50cm3 để lấy mẫu đất nguyên dạng, khối lượng đất

Physics
1 answer:
photoshop1234 [79]3 years ago
7 0

Answer:

khoâng cách MO làkhoâng cách MO làkhoâng cách MO làkhoâng cách MO làkhoâng cách MO làkhoâng cách MO làkhoâng cách MO làkhoâng cách MO làkhoâng cách MO làkhoâng cách MO làkhoâng cách MO làkhoâng cách MO là

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What force is required to accelerate a 385 kg couch at 0.2 m/s^2 ?
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It takes 77 N

Explanation:

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In the Olympic shot-put event, an athlete throws the shot with an initial speed of 12.0 m/s at a 40.0 ∘ angle from the horizonta
Gre4nikov [31]

Answer:

Explanation:

given,

initial speed of the shot = 12.0 m/s

angle = 40°

height at which shot leaves her hand = 1.80 m

v_x = 12 cos 40° = 9.19 m/s

v_y = 12 sin 40° = 7.71 m/s

time to reach maximum height =

     = \dfrac{v_y}{g}

     = \dfrac{7.71}{9.8}

     = 0.787 s

h = v_y t + \dfrac{1}{2}gt^2

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h = 3.03 m

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range =

d = vₓ t

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8 0
4 years ago
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