Two carts with masses of 12.7 kg and 2.3 kgmove in opposite directions on a frictionless horizontal track with speeds of 6.5 m/s and2.7 m/s, respectively. The carts stick together after colliding head-on. Find their final speed. Answer in units of m/s.

Julia would be observing a. static electricity was caused by her sweater rubbing against her shirt and transferring electrons. she didn't touch anything metal, so that would cancel out b.she most likely didn't rub her sweater against her hair either, so that cancels out c.she also didn't scoot across the carpet while trying to take her sweater off, that cancels out d.so that leaves a.a. is correct.

Sorry my friend i don't know the answer. i am just in 6th

Answermake them get very hot and over time wear them out;

Cvelocity of the