If a force of 40N is applied for 0.2 sec to change the momentum of a volleyball, what is the impulse?

200 N*s

0.005 N*s

8 N*s

Road users moving into your lane, brake lights, and abrupt changes in road surface are a. rare at night b. indicators of potential hazards c. not worth worrying about before you reach them d. no problem for experienced drivers

Wave functions describe orbitals in a hydrogen atom. each function is characterized by 3 quantum numbers: n, l, and ml. if the value of n = 2: the quantum number l can have values from to . the total number of orbitals possible at the n = 2 energy level is .

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up