A1480 kg car pulls a 360 kg trailer. the car exerts a horizontal force of 3600 n against the ground in order to accelerate. what force does the car exert on the trailer? assume an effective friction coefficient of 0.12 for the trailer. express your answer using two significant figures.

Select the correct answer. anna will wear a black dress when she attends het cousin's wedding. which color(s) does the dress absorb? a. all colors b. no colors c. red and green d. white

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =

Electric field of the earth. the earth has a net electric charge that causes a field at points near its surface equal to 150 n> c and directed in toward the center of the earth. (a) what magnitude and sign of charge would a 60-kg human have to acquire to overcome his or her weight by the force exerted by the earth’s electric field? (b) what would be the force of repulsion between two people each with the charge calculated in part (a) and separated by a distance of 100 m? is use of the earth’s electric field a feasible means of flight? why or why not?