Kenny Kool is out cruising in his 873 kg dragster. After stopping at a red light, he accelerates at a rate of 44.1 m/s 2 . A)What is the car’s acceleration? B)Find the net force that is needed to produce this acceleration.

Identify two factors that determine the rate of stream erosion

Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z

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 .