Alarge insulating sheet has a surface charge density σ. what is the electric field strength near the insulating sheet?

Acar travels in reverse. it covers 150 meters in 12 seconds what is the velocity of the car what is the speed of the car

Standing at the same location, which organism would have the greatest gravitational attraction to the earth? a- your pet dog b- your pet ant c- your pet opossum d- your pet elephant

Aball with a mass of 1.5 kilograms is tied to the end of a rope. the ball is pulled to a height of 0.5 meters above the ground and released. the ball has joules of potential energy at position b. at position a, all of the energy changes to kinetic energy. the velocity of the ball at position a is meters/second. assume there’s no air resistance.