9/16/20: In one accident, two cars are traveling with a speed of 40 miles per hour and they crash into each other. In a different accident, two cars are traveling with a speed of 50 miles per hour and they crash into each other. Do you think
both accidents are equally harmful? Explain your answer.

What property is a characteristic of a substance that can be observed and does not change the identity of the substance

4. who was the first one to measure the speed of light and conclude that it is finite? 5. who was the first philosopher who thought the speed of light is finite? 13. what is the speed of light numerically? 14. give an example of something moving faster than light 15. give an example for some particles or waves that

On a day when the barometer reads 75.23 cm, a reaction vessel holds 250 ml of ideal gas at 20 celsius. an oil manometer ( ρ= 810 kg/m^3) reads the pressure in the vessel to be 41 cm of oil and below atmospheric pressure. what volume will the gas occupy under s.t.p.?