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Effectus [21]
2 years ago
6

Polar molecules have ionic bonds. True False

Physics
1 answer:
Nadusha1986 [10]2 years ago
6 0
Polar molecules do have ionic bonds
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A stone is catapulted at time t = 0, with an initial velocity of magnitude 19.9 m/s and at an angle of 39.9° above the horizonta
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Answer:

Part a)

x = 15.76 m

Part b)

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Part c)

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Part d)

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Part e)

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Part f)

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Explanation:

As we know that catapult is projected with speed 19.9 m/s

so here we have

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similarly we have

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v_y = 12.76 m/s

Part a)

Horizontal displacement in 1.03 s

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Part b)

Vertical direction we have

y = v_y t - \frac{1]{2}gt^2

y = (12.76)(1.03) - 4.9(1.03)^2

y = 7.94 m

Part c)

Horizontal displacement in 1.71 s

x = v_x t

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Part d)

Vertical direction we have

y = v_y t - \frac{1]{2}gt^2

y = (12.76)(1.71) - 4.9(1.71)^2

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Part e)

Horizontal displacement in 5.44 s

x = v_x t

x = (15.3)(5.44)

x = 83.23 m

Part f)

Vertical direction we have

y = v_y t - \frac{1]{2}gt^2

y = (12.76)(5.44) - 4.9(5.44)^2

y = -75.6 m

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matter: A

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variable: C

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