Which of the following is wrong regarding the significant figures? * 1500 has four s. f
20.0 m has three s. f
4002 has four s. f
0.002 has one s. f
10.003 has five s. f

Which type of circuit is becoming more common in residential electrical design and construction? a. hazardous-area circuit b. three-phase circuit c. 480-volt circuit d. communication circuit

Amodel rocket with a mass of 0.212 kg is launched into the air with an initial speed of 84 m/s. how much kinetic energy will the rocket have at a height of 214 m? assume there is no wind resistance. 634 j 303 j

The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is