Hey'
I just did an experiment for grade 11 physics that i designed where i investigated the shape and size of the parachute. The shape of the parachute doesn't effect how long it stays in the air much. The main thing that the shape effects is the stability and the less stable the parachute the faster the person will fall.
That is why parachutes are in that banana rectangle shape so that there is more stability to glide through the air, like a bird. As the shape changes how much drag there is. Circles are pure drag and take the longest to fall.
McPhysics
Yes, the size of a parachute does affect how long it will float in the air. A larger parachute with more surface area will create more drag, slowing the descent and allowing it to float in the air longer compared to a smaller parachute.
The hemispherical shape of a typical parachute is associated with a very high drag coefficient, which means for any given wind speed and air density combination, the actual force of drag is very high. Also parachutes are typically large which makes the drag force proportionaly higher. What this all means is that the drag required for an unaccelerated decent (which is equal to the weight) can be acheived with a much slower speed through the air (a non life-threatening speed upon landing). An object moving slower takes more time to cover a constant distance, so the parachute carries its object in the air longer.
Changing the shape of an object does not affect its density because density is determined by the mass and volume of an object, not its shape. As long as the mass and volume of an object remain the same, its density will remain constant regardless of its shape.
They are meant to be seen for many miles. The exact distance depends on such factors as the weather and the rating of the flare. Local conditions can also affect their visibility such as fog or a very high headland.
As long as it is not accelerating (going faster and faster, or slower and slower), the forces on the parachute are balanced. Initially, the parachute will accelerate - in this case the forces are unbalanced. It will continue accelerating, until the force of gravitation is balanced by the force of resistance.
Yes, the size of a parachute does affect how long it will float in the air. A larger parachute with more surface area will create more drag, slowing the descent and allowing it to float in the air longer compared to a smaller parachute.
To increase drag and prolong the time your mini-parachute stays in the air, you can enlarge the surface area of the tissue paper by making the parachute wider or adding flaps. Ensuring that the parachute is lightweight yet structurally sound will also help it catch more air. Additionally, using a heavier string or attachment point can slow the descent, allowing the parachute to float longer. Lastly, creating a shape that allows for better air resistance, like a dome or a wide canopy, can further enhance drag.
The hemispherical shape of a typical parachute is associated with a very high drag coefficient, which means for any given wind speed and air density combination, the actual force of drag is very high. Also parachutes are typically large which makes the drag force proportionaly higher. What this all means is that the drag required for an unaccelerated decent (which is equal to the weight) can be acheived with a much slower speed through the air (a non life-threatening speed upon landing). An object moving slower takes more time to cover a constant distance, so the parachute carries its object in the air longer.
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Around the jason
The 'best' length for a parachute string depends on what the parachute is for and the rest of the design. If a parachute's strings are too short, the whole parachute could collapse. If the parachute's strings are too long, there may be some wobbling and bungeeing about, more twisting of the strings, etc. Parachutes for heavy things (like spacecraft) tend to have longer strings than parachutes for people, since they're less affected by this instability.
It is possible as long as you have a parachute.
No, on a long runway this is not necessary.
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Yes, metabolism can affect how long THC stays in your system. Faster metabolism typically processes and eliminates THC more quickly, leading to shorter detection times. Slower metabolism can prolong the presence of THC in the body.
When THC is metabolized in the body, it is broken down into different compounds that can affect how it interacts with the body. This process can influence the duration and intensity of its effects, as well as how long it stays in the system.