WORTH 50 POINTS! HOWEVER THERE ARE 2 PARTS TO THE QUESTION!!! 1. An Olympic athlete throws a shot put with an initial velocity that makes an angle of 30.0 degrees with the horizontal. The shot put leaves the athlete's fully extended arm at a height of 1.8 m above the ground and lands a horizontal distance of 4.8 m away from the release point. Determine the maximum height (above the ground) reached by the shot put.
2. An airplane attempts to drop a bomb on a target. When the bomb is released, the plane is flying upward at an angle of 30 degrees above the horizontal at a speed of 200 m/s. At the point of release, the plane's altitude is 2.0 km. The bomb hits the target.
a) Determine how much time it takes for the bomb to hit the target after it is released.
b) Determine the magnitude and direction of the vertical component of the bomb's velocity at the point of release.
c) At the point of release, what angle below the horizontal does the pilot have to look in order to see the target?
d) Determine the magnitude and direction of the horizontal component of the bomb's velocity at the point when the bomb contacts the target.

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electromagnetic shielding is the practice of reducing the electromagnetic field in a space by blocking the field with barriers made of conductive or magnetic materials. shielding is typically applied to enclosures to isolate electrical devices from their surroundings, and to cables to isolate wires from the environment through which the cable runs. electromagnetic shielding that blocks radio frequency electromagnetic radiation is also known as rf shielding.

the shielding can reduce the coupling of radio waves, electromagnetic fields and electrostatic fields. a conductive enclosure used to block electrostatic fields is also known as a faraday cage. the amount of reduction depends very much upon the material used, its thickness, the size of the shielded volume and the frequency of the fields of interest and the size, shape and orientation of apertures in a shield to an incident electromagnetic

from wikipedia

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