The coefficient of friction between the 2-lb block and the surface is μ=0.2. the block has an initial speed of vβ =6 ft/s and is acted upon by a horizontal force of p=15 lb. determine the maximum deformation of the outer spring b at the instant the block comes to rest. spring b has a stiffness of kb=20 lb/ft and the "nested" spring c has a stiffness of kc=40 lb/ft.

In 1980, alfa romeo introduced the first system to smooth a rough idle caused by ignition and camshaft timing changes.

Pl asaaap ! match the term to the correct description. a type of wave that transfers energy where the particles in the medium move perpendicular to the direction in which the energy is traveling. a type of wave that transfers energy where the particles in the medium move parallel to the direction in which the energy is traveling. movement that is back and forth, like an equal sign = a type of wave that transfers energy where the particles in the medium move in a circle motion while the energy travels left or right. movement that is like a t transfers energy from one location to another 1. wave 2. parallel movement 3. perpendicular movement 4. transverse wave 5. longitudinal wave 6. surface wave

Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.