Physics, 02.10.2019 01:30, keepcalmands2930
On february 15, 2013, a superbolide meteor (brighter than the sun) entered earth’s atmosphere over chelyabinsk, russia, and exploded at an altitude of 23.5 km. eyewitnesses could feel the intense heat from the fireball, and the blast wave from the explosion blew out windows in buildings. the blast wave took approximately 2 minutes 30 seconds to reach ground level. the blast wave traveled at 10° above the horizon. (a) what was the average velocity of the blast wave? b) compare this with the speed of sound, which is 343 m/s at sea level.
Answers: 1
Physics, 22.06.2019 00:20, mckinley2006
Zeros that follow non-zeros numbers and are also to the right of a decimal point are significant
Answers: 2
Physics, 22.06.2019 15:30, jjjjjj4999
Match each scenario to the form of energy it represents
Answers: 2
On february 15, 2013, a superbolide meteor (brighter than the sun) entered earth’s atmosphere over c...
Chemistry, 10.11.2019 02:31
Mathematics, 10.11.2019 02:31
History, 10.11.2019 02:31