Answer to Question #39474 in Acoustics for gilbert bon

Question #39474

what is the mass of chair inside a classroom where g=9.8 m/s2 if it weights 300 N? what it is weight if it were on the surface of the moon

Expert's answer

mass = Weight/g = 300/9.8 = 30.6 kg. On the Moon g(Moon) = 1.62 m/s^2, so Weight(Moon) = mass*g(Moon) = 49.6 N.

Learn more about our help with Assignments: Acoustics

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. What do you understand by wave impedance? Derive an expression for the impedance offered to sound wa
2. A team of geophysicists is standing on the ground. Beneath their feet, at an unknown distance, is th
3. A bat flies at a steady speed of 4 m/s emitting a sound of f = 90000 Hz. It is flying horizontally t
4. if the frequency of the tuning fork is 400 Hz and the speed of sound in air is 350 m/s .find how far
5. a sonar station picks up a return signal after 3seconds. how far away is the object?(speed of sound
6. A bat flies at a steady rate of 4 m/s emitting 90 kHz sound wave and is flying towards a wall.It det
7. A source and an observer move away from each other with a velocity of 10m/s with respect to ground.I