Q7B.2 Consider the following q-vector |) = [-2] ly) (a) What should a be if the vector is normalized? (b) If this vector represents a quanton's spin state, what is the probability that determining S₂ will yield -ħ?

2.26 A force P in the xy-plane acts on the triangular plate. The moments of P about points O, A, and Bare Mo - 80 N - m countercdockwise, MA- 200 N- m clockwise, and M, - 0. Determine P. S00 mm 12 in. 400 mm Figure P2.25, P2.26 Figure P2.27

Wolverine has an arm that is 1[m] long and claws that are 0.5[m] long. He's trying to knock over a wall. His shoulder can exert a torque of 1,500[N-m]. What is the ratio of force on the wall with vs without his claws extended? 1.5[m] point Pivot F /F Adamantium Wall without with claws claws A. 2/3 F Wolverine with В. 3/2 with claws С. 1 1.0[m] Pivot Adamantium D. I don't know but the torque direction is point Wall E. I don't know but the torque direction is Fwithout Wolverine Bare hands

Four identical masses of 7.3 grams are placed at the corners of a square with a side length of d = 27 cm, as shown below. What is the gravitational potential energy of the system? d d