Điện tích Q=8. 10^-6 C đặt cố định trong không khí, điện tích q= - 10.10^-6 C di chuyển trên đường thẳng xuyên qua Q, từ M cách Q một khoảng 100cm, lại gần Q thêm 50cm. Tính công của lực điện trường trong dịch chuyển đó?

Acup of coffee sits on the dashboard of an automobile. the car goes around a sharp curve. even though you hold the cup still, coffee still splashes out. this can best be explained due to a) density. b) friction. c) gravity. d) inertia.

Argon, neon, and xenon are examples of

Amoving company collects data about couches they move and displays the data in a table. the force along the ramp, the angle of the ramp, and the height the couch is raised to are shown. which statements correctly compare the work done to move the couches? check all that apply. the same amount of work is done for couches 1 and 3. the same amount of work is done for couches 2 and 3. the work for couch 1 is greater than the work for couch 2. the work for couch 2 is less than the work for couch 3. the work for couch 3 is greater than the work for couch 1. the work for couch 2 is greater than the work for couch 1.