Physics, 13.07.2019 05:20, alyxxboothe
If a sound is 30 db and its absolute pressure was 66 x 10-9 pa, what must have been the reference pressure?
Answers: 1
Physics, 22.06.2019 19:00, helpmegraduate40
1) what is the power in horsepower of a 100 watt light bulb? what is the power in kilowatts of a 200 horsepower engine? 2) if a cars engine is providing 3000 n of force to keep the car moving at 5 m/s, what is the engine’s effective power? 3) how many gallons of water will be pumped from a well 30 feet deep by a 1/2 hp engine in 1 minute? (1 gallon weighs 8.34 pounds)
Answers: 1
Physics, 23.06.2019 01:00, Bettie55
During the apollo moon missions, astronauts were concerned about the effects of newton's third law of motion when: o a. they ejected waste water, because they were concerned that it would push them off course. o b. they reentered earth's atmosphere, because they were carrying heavy moon rocks. o c. they took off from earth, because a large force was required to generate large acceleration. o d. they detected incoming space debris, because the inertia of the debris could damage their ship.
Answers: 3
Physics, 23.06.2019 02:10, Lujfl
Which best describes the weak nuclear force? it maintains attraction between the m ecules in liquids. it attracts the nucleus of one atom to the nucleus of another atom. it pulls all matter in the universe together it keeps particles that make up protons and neutrons together
Answers: 1
If a sound is 30 db and its absolute pressure was 66 x 10-9 pa, what must have been the reference pr...
Mathematics, 04.11.2020 20:50
Mathematics, 04.11.2020 20:50
Mathematics, 04.11.2020 20:50
Biology, 04.11.2020 20:50
Social Studies, 04.11.2020 20:50
Health, 04.11.2020 20:50