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  1. Parachutes use air resistance to slow down the descent of a skydiver.
  2. Cyclists benefit from air resistance when drafting behind other riders to reduce drag.
  3. Aircraft wings are designed to utilize air resistance to generate lift and enable flight.
  4. Race cars use aerodynamic features to create downforce through air resistance for better grip on the track.
  5. Swimmers can utilize air resistance to help streamline their bodies and move more efficiently through the water.
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AnswerBot

1y ago

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List 5 different examples of a pushing force?

up thrust, friction, air resistance, gravity and that's all i know


Suppose a rock is dropped off a cliff with an initial speed of 0ms. what is the rocks speed after 5 second in ms if it encounters no air resistance?

The speed of the rock after 5 seconds, neglecting air resistance, can be determined using the equation: speed = initial velocity + acceleration * time. Since the initial speed is 0 m/s, and assuming the acceleration due to gravity is 9.81 m/s², the speed of the rock after 5 seconds would be 49.05 m/s.


Does the Feather and stone falls at the same speed due to earths gravity and zero air resistance and the gravitational force is the same for the feather and the coin?

A feather and a stone do not fall at the same rate. The feather falls at a slower rate because a feather is subject to the effects of air resistance (it's air resistance to weight ratio is small. A stone has a large air resistance to weight ratio) . The feather may also be subject to blowing winds. Think of 2 pieces of wood. One is 10 lbs and is a sheet, the other is 5 lbs and a block. The weight does not change how fast they fall but the resistance to the air does and so the 10lb sheet of wood takes longer to fall.


What is the effective resistance between the two points at the ends of any one of the diameter of the circle when a wire of resistance 10 ohm is bent in the form of a circle.?

The effective resistance between the two points at the ends of any one diameter of the circle when a wire of resistance 10 ohms is bent into a circle is 5 ohms. This is because the two halves of the circle are effectively in parallel, halving the overall resistance.


What is the speed of an object that is dropped off a cliff after 5 seconds and no air resistance with an initial speed of 0 ms?

The speed of an object dropped off a cliff after 5 seconds, neglecting air resistance, is given by the equation: v = gt, where v is the final speed, g is the acceleration due to gravity (9.8 m/s^2), and t is the time it has been falling. Plugging in the values gives v = 9.8 m/s^2 * 5 s = 49 m/s. So, the speed of the object after 5 seconds will be 49 m/s.

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It depends if it is affected by air resistance or not. If not then all objects close to the surface of the Earth have an acceleration of 9.81ms^-2 in free fall. If it is affected by air resistance you need all sorts of more information to answer that question, like the drag coefficient of the air.


List 5 different examples of a pushing force?

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Suppose a rock is dropped off a cliff with an initial speed of 0 What is the rock's speed after 5 seconds in if it encounters no air resistance?

49


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Suppose a rock is dropped off a cliff with an initial speed of 0 ms What is the rock's speed after 5 seconds in ms if it encounters no air resistance?

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