A vector in the xy-plane has an x component of -7.50 units. What must be the y component of this vector so that its magnitude is 10.0 units. (Note: There are two possible answers.)
What will be an ideal response?
Question 2
A disk, a hoop, and a solid sphere are released at the same time at the top of an inclined plane. They are all uniform and roll without slipping. In what order do they reach the bottom?
A) sphere, hoop, disk
B) hoop, disk, sphere
C) sphere, disk, hoop
D) hoop, sphere, disk
E) disk, hoop, sphere