PHYSICS 111 EXAM 1 QUESTIONS AND ANSWERS

PHYSICS 111 EXAM 1 QUESTIONS
AND ANSWERS




Scalar-Quantity---ans-✔✔Described-by-a-single-number

Vector-Quantity---ans-✔✔Has-both-magnitude-and-direction

x-component-vector---ans-✔✔Ax-=-Acos(@)

y-component-vector---ans-✔✔Ay-=-Asin(@)

Scalar-Product---ans-✔✔Dot-Product-ABcos(@)

Vector-Product---ans-✔✔Cross-Product-ABsin(@)-Right-hand-rule

Velocity/Acceleration---ans-✔✔Kinematic-quantities-that-affect-the-position,-or-
displacement,-of-an-object

Motion-Diagram---ans-✔✔Shows-the-position-of-a-particle-at-various-instants,-and-arrows-
represent-its-velocity-at-each-instant

Equations-of-1D-motion-with-constant-acceleration---ans-✔✔Vx-=-Vox-+AxT

X-=-Xo-+-VoxT-+(1/2)Ax(T^2)

(Vx)^2-=-(Vox)^2-+-2Ax(X-Xo)

X-Xo-=-((Vox+Vx)/2)T

X-Xo-=-((Vox+Vx)/2)T---ans-✔✔Gives-displacement-as-a-function-of-velocity-and-time.-
When-you-don't-know-and-aren't-asked-for-acceleration

Vx-=-Vox-+AxT---ans-✔✔Gives-velocity-as-a-function-of-acceleration-and-time.-When-you-
don't-know-and-aren't-asked-for-displacement