Two tuning forks are labeled Q and R and have different frequencies. Tuning fork Q has a frequency of 270 Hz and tuning fork R has a frequency of 540 Hz. Both tuning forks are struck at the same time on opposite sides of a physics lab to make sound waves. Which of the sounds, if either, will move faster through the air?
Answers: 1
Physics, 22.06.2019 01:30, chandranewlon
Ablock of mass 1.5 kg slides down an inclined plane that has an angle of 15. if the inclined plane has no friction and the block starts at a height of 3 m, how much kinetic energy does the block have when it reaches the bottom? acceleration due to gravity is g = 9.8 m/s2. a. 6.8 j b. 50.9 j c. 0 j d. 44.1 j
Answers: 1
Physics, 22.06.2019 19:00, sanchez626
Friction removes energy from objects in motion. which statement best describes how this works? a) friction transforms ke into thermal energy b) friction transfers thermal energy to ke c) friction transforms te into pe d) friction transforms pe into ke e) friction transfers ke into pe
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
Two tuning forks are labeled Q and R and have different frequencies. Tuning fork Q has a frequency o...
Health, 20.04.2021 21:50
Health, 20.04.2021 21:50
Mathematics, 20.04.2021 21:50
Biology, 20.04.2021 21:50
Mathematics, 20.04.2021 21:50
Mathematics, 20.04.2021 21:50