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amm1812
3 years ago
14

a plane being propelled due east is actually moving at 225mph an angle of 40 degrees north of east, how fast is the crosswind th

at is blowing due north (relative the ground?
Physics
1 answer:
Marianna [84]3 years ago
4 0

Answer:

144.63 mph

Explanation:

225 sin (40)

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If it takes a ball dropped from rest 2.261 s to fall to the ground, from what height H was it released? Express your answer in m
algol [13]

Answer:

Height, H = 25.04 meters

Explanation:

Initially the ball is at rest, u = 0

Time taken to fall to the ground, t = 2.261 s

Let H is the height from which the ball is released. It can be calculated using the second equation of motion as :

H=ut+\dfrac{1}{2}at^2

Here, a = g

H=\dfrac{1}{2}gt^2            

H=\dfrac{1}{2}\times 9.8\times (2.261)^2

H = 25.04 meters

So, the ball is released form a height of 25.04 meters. Hence, this is the required solution.

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2 years ago
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3 years ago
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2 years ago
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If we say that one quantity is directly proportional to another quantity, does this mean that they are equal to each other?
Marina CMI [18]

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Explanation:

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aliya0001 [1]
For any periodic wave 
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<span>where </span>
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I hope this helps

</span>
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3 years ago
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