Gabriella got a burn on her arm from a chemical spill and rinsed the area thoroughly with water. which piece of safety equipment would she use next? an extinguisher a fire blanket a first-aid kit gloves

Which best describes how johannes kepler developed his laws of planetary motion

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?

Ascientist measures the speed of sound in a monatomic gas to be 449 m/s at 20∘c. what is the molar mass of this gas?