Physics, 22.03.2020 21:51 sophie5988
You shout at a cliff 120 m high, and hear your echo in 2 seconds. If the speed of sound in the air is 340 m/s, the distance of the cliff from you is .
Answers: 3
Physics, 22.06.2019 10:10, natalieagustinlop54
Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.
Answers: 2
Physics, 22.06.2019 14:00, mariahgriego4126
Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.
Answers: 1
You shout at a cliff 120 m high, and hear your echo in 2 seconds. If the speed of sound in the air i...
History, 18.06.2020 18:57