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Sergio [31]
3 years ago
14

A hornet circles around a pop can at increasing speed while flying in a path with a 12-cm diameter. We can conclude that the hor

net's wings must push on the air with force components that are Group of answer choices down and backwards. down, backwards, and outwards. down and inwards. down and outwards. straight down.
Physics
1 answer:
Effectus [21]3 years ago
8 0

Answer:

<em>down, backwards, and outwards.</em>

Explanation:

For a hornet that is accelerating in flight, this means that there is a net forward motion at a relatively constant vertical height above the ground.

For this flight, the <em>wings beat downwards to counter the weight of the hornet due to gravity</em>, keeping it at that height above the floor.

For the hornet to accelerate forward, there has to be a net backwards force by the wing on the air. This backwards force accelerates tr forward due to the absence of an equal opposing force in the opposite direction save for a little drag.

The wings also beat with forces directed outwards to provide centripetal force to keep the hornet stable. <em>The absence of this would cause it to spiral out of control.</em>

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aleksklad [387]

Answer:

A. More than 20% of your daily recommended amount.

Explanation:

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To check if the food you're consuming is a good source of that nutrient you need in higher amount, the nutrient must be labeled 20% or higher.

The rule used here is called the 5/20 rule. According to this rule, A nutrient that is 5% or below is considered less and a nutrient which is labeled 20% or higher is considered good enough in that food source.

8 0
3 years ago
This problem has been solved!
lana66690 [7]

Answer:

Charge on each metal sphere will be 8\times 10^{8}C

Explanation:

We have given number of electron added to metal sphere A n=10^{12}electron

As both the spheres are connected by rod so half -half electron will be distributed on both the spheres.

So electron on both the spheres =\frac{10^{12}}{2}=5\times 10^{11}electron

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So charge on each metal sphere will be equal to 8\times 10^{8}C

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