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krok68 [10]
3 years ago
14

What is the momentum of an 18-kg object moving at 0.5 m/s?

Physics
1 answer:
Otrada [13]3 years ago
6 0

sorry Idk the answer ..???

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3 years ago
The rocket is fired vertically and tracked by the radar station shown. When θ reaches 66°, other corresponding measurements give
Flauer [41]

Answer:

velocity = 1527.52 ft/s

Acceleration = 80.13 ft/s²

Explanation:

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Radius of rotation; r = 32,700 ft

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Angular velocity; ω = θ˙˙ = 0.019 rad/s

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So, velocity of the rocket for the given position will be;

v = rθ˙˙/cos θ

so, v = 32700 × 0.019/ cos 66

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Acceleration is given by the formula ;

a = a_r/sinθ

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a = (r¨ - r(θ˙˙)²)/sinθ

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