Spitting cobras can defend themselves by squeezing muscles around the venom glands to squirt venom at an attacker. supposed spitting cobra rears up to a height of 0.500 m above the ground and launches venom at 3.50 m/s, directed at 50.0° above the horizon. neglecting air is a stance, find the horizontal distance traveled by the venom before it hits the ground.

1.56 m

Explanation:

This situation is a good example of the projectile motion or parabolic motion, and the main equations that will be helpful in this situations are:

x-component:

  (1)

Where:

is the horizontal distance

is the initial speed

is the angle at which the venom was shot

is the time since the venom is shot until it hits the ground

y-component:

  (2)

Where:

 is the initial height of the venom

 is the final height of the venom (when it finally hits the ground)

 is the acceleration due gravity

Knowing this, let's begin:

First we have to find from (2):

  (3)

Rearranging (3):

  (4)

This is a quadratic equation (also called equation of the second degree) of the form , which can be solved with the following formula:

(5)

Where:

Substituting the known values:

(6)

Solving (6) we find the positive result is:

(7)

Substituting (7) in (1):

  (8)

Finally:

  (9)

explanation:

earth's surface is mainly heated by the absorption of infrared radiation from the sun.

evaporation occurs because molecules in liquid water are warmed ( usually by the sun) and vibrate quicker, becoming less dense and rise.

condensation occurs because molecules in water vapor are cooled and therefore vibrate more slowly thus becoming more dense and eventually fall to earth.

lines of equal barometric pressure on a weather map are called: isobars : lines of equal temp on a weather map are called: isotherms.​

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