A 25 Kg box is pulled by a rope at an angle of 30 degrees above horizontal with a force of 50 Newtons. if the coefficient of kinetic friction is .15. What is the total force of friction acting on the box? Using the information above, what is the acceleration of the box in the X-direction??

The mini-refrigerator fire was most likely caused by what type of wiring?

Based on the concept of the wave-like nature of light, huygens' theory of light postulates that the more light was "bent" by a substance the slower it would move while traversing across that substance. a) deflection b) interference c) refraction d) resonance

Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive