How is bringing the rod/fur back together after rubbing similar connecting the capacitor terminals together with a metal screwdriver

Me ! since green bounces off red, this must be collision a.elastic b.explosion c.inelastic

In the absence of friction, gravity, and all other external forces, what kind of speed will an object display if it travels from the bottom to the top of an inclined plane? a. constant speed b. increasing speed c. decreasing speed d. speed increases and then decreases e. speed decreases and then increases

Acar with a mass of 1,500 kg requires a centripetal force of 640 n to safely follow a circular curve in the road at 13.4 m/s. what is the radius of the curve?