An object in equilibrium has three forces exerted on it. A 33.0-N force acts at 90.0° from the x -axis, and a 44.0-N force acts at 60.0° from the x-axis. Both angles are measured counterclockwise from the positive x-axis. What are the magnitude and the direction of the third force?

Which of the following is not am example of a polymer? protein nylon kevlar concreta

Ahuge (essentially infinite) horizontal nonconducting sheet 10.0 cm thick has charge uniformly spread over both faces. the upper face carries +95.0 nc/m2 while the lower face carries -25.0 nc/ m2. what is the magnitude of the electric field at a point within the sheet 2.00 cm below the upper face? (ε0 = 8.85 × 10-12 c2/n · m2)

What is the efficiency of an engine that does 80 j of work and exhausts 320 j of heat while taking in 400 j of heat ? a. 10% b. 20% c. 80% d. 25%