A3.00 × 10^-6 kg ant rides the second hand of an enormous vertical wall clock. the ant smoothly sweeps a circle of radius 50.0 m. what is the magnitude of the upward force felt by the ant due to the second hand when it is exactly at 6 am?

Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?

Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.

This is a form of winter precipitation. it is frozen precipitation falling as ice pellets. snowflakes melt into raindrops as they pass through a thin layer of warmer air. the raindrops then refreeze into particles of ice when they fall into a layer of sub-freezing air near the surface of the earth. this precipitation is called a) hail. b) rain. c) sleet. d) snow.