The 18-kg block A slides on the surface for which μk = 0.3. The block has a velocity v = 10 m/s when it is s = 3 m from the 12-kg block B. The unstretched spring has a stiffness k = 1200 N/m . Take e = 0.6. The coefficient of friction is the same for both blocks.

If a sphere and a cure have the same mass and are propelled up a ramp with the same force, which would travel father up the ramp? explain.

Which is the best for showing percentages of different types of cars sold(gas hybrid , electric , other ) in the united states ?

Which are advantages of renewable resources? check all that apply. renewable energy supplies are completely reliable everywhere. some renewable resources will never be used up. little or no waste is produced by renewable resource plants. electricity can be generated in large quantities. many renewable energy facilities have lower operating costs.