When plug prongs are connected to the metal case of an appliance, a part that should always be placed next to the case is a
a. flat metal washer.
b. hexagonal aluminum shoulder.
c. steel nut.
d. mica washer.

Find the vertex(use the completing the square method), findthe x- and y-intercepts, and sketch the graph offunction. y = 2x2 + 4x - 1

Aparticle initially moving east with a speed of 20.0 m/s, experiences an acceleration of 3.95 m/s, north for a time of 8.00 s. what was the speed of the particle after this acceleration, in units of m/s? give the answer as a positive number.

=force × distance a. work b. velocity c. pressure d. momentum