Story Time: You are a 60 kg human being that is about to jump off a plane 1,000m off the ground. As you jumped and is starting to get closer to the ground, your parachute doesn’t open when you pull. How fast do fall to the ground from a 1,000m fall?

From center station, a train departs every 30 minutes on the fast line and a train departs every 50 minutes on the state line. if two trains depart from center station at 8: 00 a.m., one on each of the two lines, what is the next time that two trains, one on each line, will depart at the same time?

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?

Bahan yang digunakan mencegah terjadinya polarisasi pada batu baterai a.larutan h2so4b.mncl2 dan serbuk karbonc.pbso4d.nh4cl