Physics, 17.07.2019 08:30 autumnlyons69
Kevin is standing outside a railway station. he can know whether a train is approaching the station or departing from the sound it makes. which principle of sound waves is he using? resonance beats doppler effect interference
Answers: 1
Physics, 22.06.2019 02:30
You are about to open a container of soy milk but notice that there are instructions to “shake well before serving.” the soy milk is most likely a
Answers: 1
Physics, 22.06.2019 08:20
A3030 cmcm wrench is used to loosen a bolt with a force applied 0.30.3 mm from the bolt. it takes 6060 nn to loosen the bolt when the force is applied perpendicular to the wrench. how much force would it take if the force was applied at a 3030 degree angle from perpendicular? a 3030 cmcm wrench is used to loosen a bolt with a force applied 0.30.3 mm from the bolt. it takes 6060 nn to loosen the bolt when the force is applied perpendicular to the wrench. how much force would it take if the force was applied at a 3030 degree angle from perpendicular?
Answers: 3
Physics, 22.06.2019 10:30
Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?
Answers: 1
Kevin is standing outside a railway station. he can know whether a train is approaching the station...
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