Problem: Article: . Aloe-vera gels and moisturizers are helpful at soothing and cooling minor burns. You can use the natural oil from the plant itself, or buy some aloe cream at the store. Some moisturizers and lotions advertised as "aloe" actually contain only a small percentage of aloe-vera. Read the ingredients, and make sure you're not covering your burn with scented, aluminum-based lotions. Lavender essential oil is thought to have therapeutic properties for small cuts, abrasions, and minor burns that affect the outer layer of the skin. Essential oils can irritate your skin, however, so it's important to mix it with a soothing oil, like coconut, which has antimicrobial properties. Supposedly, the French scientist who pioneered the use of lavender oil as a home remedy once burned himself in the lab and plunged his hand into a vat of lavender oil, healing it quickly. Some people think that a small amount of diluted vinegar can help to control pain and heal very minor burns quickly. If you burn yourself, rinse the burn quickly with cool water, then use a wet washcloth with a few drops of vinegar on it. Use the cloth as a cool compress on the affected area. Cut potato is sometimes used in rural regions instead of bandages, specifically on burns. Potato peel is antibacterial and won't stick to the wound, which can be somewhat painful. If you try this, make sure you clean the wound thoroughly before and after, and rinse the potato before you apply it. Don't leave potato residue on your wound. If you can't heal up a burn with cool water, over-the-counter medication, and time, you need to get medical attention. Never try to use unverified home remedies on serious burns. Petroleum jelly or Vaseline is commonly thought to have burn-soothing benefits, but this is not true. Vaseline is a moisture barrier, which can dry out the wound. Vaseline has no actual healing properties. Putting Vaseline on a burn is not recommended. Some people think toothpaste, butter, and other kitchen supplies should be used on burns. This is not backed up in any way. Never apply toothpaste to burns.
Summary: Treat burns with aloe-based gels Apply coconut and lavender oil. Dab the burn with vinegar. Use cut potato. Only use home remedies on very minor burns.

Problem: Article: By relying on mathematical calculations, your graph does not need to be as neatly drawn. You do not need to determine any measurement scale. Just sketch a ray in the general direction of your vector. Label your sketched vector with its magnitude and the angle that it makes from the horizontal. For example, consider a rocket that's being fired upwards at a 60-degree angle, at a velocity of 1,500 meters (5,000ft) per second. You would sketch a ray that points diagonally upward. Label its length "1500 m/s" and label its base angle "60." The diagram shown above indicates a force vector of 5 Newtons at an angle of 37 degrees from the horizontal. Sketch a horizontal ray beginning at the base of your original vector, pointing in the same direction (left or right) as the original. This represents the horizontal component of the original vector. Sketch a vertical ray that connects the head of your horizontal vector to the head of your original angled vector. This represents the vertical component of the original vector. A vector's horizontal and vertical components represent a theoretical, mathematical way of breaking a force into 2 parts. Imagine the child's toy Etch-a-Sketch, with the separate "Vertical" and "Horizontal" drawing knobs. If you drew a line using only the "Vertical" knob and then followed with a line using only the "Horizontal" knob, you would end at the same spot as if you had turned both knobs together at exactly the same speeds. This illustrates how a horizontal and vertical force can act simultaneously on an object. Because the components of a vector create a right triangle, you can use trigonometric calculations to get precise measurements of the components. Use the equation: sin=verticalhypotenuse{\displaystyle \sin heta ={
rac { ext{vertical}}{ ext{hypotenuse}}}} For the missile example, you can calculate the vertical component by substituting the values that you know, and then simplifying, as follows: sin=verticalhypotenuse{\displaystyle \sin heta ={
rac { ext{vertical}}{ ext{hypotenuse}}}} sin(60)=vertical1500{\displaystyle \sin(60)={
rac { ext{vertical}}{1500}}} 1500sin(60)=vertical{\displaystyle 1500\sin(60)={ ext{vertical}}} 15000.866=vertical{\displaystyle 1500*0.866={ ext{vertical}}} 1,299{\displaystyle 1,299} Label your result with the appropriate units. In this case, the vertical component represents an upward speed of 1,299 meters (4,000ft) per second. The diagram above shows an alternate example, calculating the components of a force of 5 Newtons at a 37 degree angle. Using the sine function, the vertical force is calculated to be 3 Newtons. In the same way that you use sine to calculate the vertical component, you can use cosine to find the magnitude of the horizontal component. Use the equation: cos=horizontalhypotenuse{\displaystyle \cos heta ={
rac { ext{horizontal}}{ ext{hypotenuse}}}} Use the details from the missile example to find its horizontal component as follows: cos=horizontalhypotenuse{\displaystyle \cos heta ={
rac { ext{horizontal}}{ ext{hypotenuse}}}} cos(60)=horizontal1500{\displaystyle \cos(60)={
rac { ext{horizontal}}{1500}}} 1500cos(60)=horizontal{\displaystyle 1500\cos(60)={ ext{horizontal}}} 15000.5=horizontal{\displaystyle 1500*0.5={ ext{horizontal}}} 750{\displaystyle 750} Label your result with the appropriate units. In this case, the horizontal component represents a forward (or left, right, backward) speed of 750 meters (2,000ft) per second. The diagram above shows an alternate example, calculating the components of a force of 5 Newtons at a 37 degree angle. Using the cosine function, the horizontal force is calculated to be 4 Newtons.
Summary:
Construct a rough sketch of the original vector. Sketch and label the component vectors. Use the sine function to calculate the vertical component. Use the cosine function to calculate the horizontal component.