A body has weight 20 N. How much force is required to move it vertically upward with an acceleration of 2 ms?? Plz answer quick with explanation

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

An engineer designs a roller coaster so that a car travels horizontally for 152 ft, then climbs 137 ft at an angle of 34.0° above the horizontal. it then moves 137 ft at an angle of 48.0° below the horizontal. if we take the initial horizontal motion of the car to be along the +x-axis, what is the car's displacement? (give the magnitude of your answer, in ft, to at least four significant figures and give the direction of your answer in degrees counterclockwise from the +x-axis.)

Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?