A projectile is launched with a speed of 30ms at an angle of 60 degrees above the horizontal. The projectile lands on a ledge that is 15m above the launch point. The horizontal and vertical components vx and vy, respectively, of the velocity when the projectile lands are

As seen in a us weather map, the h (or high) and l (or low) symbols indicate regions where surface air pressures are high or low, respectively, compared to surrounding areas. an h is plotted where the air pressure is highest and an l is plotted where the air pressure is lowest. proceeding outward and away from the center of a high pressure system, the air pressure "