Which of the following do not involve a direction? Check all that apply.
A. Velocity
B. Distance
C. Time
D. Acceleration

Athin, square metal plate measures 14 cm on each side and has emissivity of 0.60. the plate is heated to a temperature of 745°c. what is the rate at which the plate radiates energy ? the stefan-boltzmann constant is 5.67 × 10-8 w/(m2 ? k4). remember that the plate will radiate energy from both its top and bottom surfaces.

Power can be defined as a. the distance over which work was done. b. how much work can be done in a given time. c. all the work in an given area. d. the energy required to do work.

A1.5m wire carries a 2 a current when a potential difference of 52 v is applied. what is the resistance of the wire?