Work, Energy, and Power & Sound Flashcards
1
Q
What is work?
A
Work occurs when force is applied to an object and it moves.
2
Q
work formula
A
W=FĂd
3
Q
Define energy.
A
The ability to do work.
4
Q
What is the formula for kinetic energy?
A
KE= 1/2 mv2
5
Q
What is the formula for gravitational potential energy?
A
PE=mgh
6
Q
State the work-energy theorem.
A
The total work done by the sum of all forces acting on a particle is equal to the change in the kinetic energy of that particle.
7
Q
What are the three elements needed for sound production?
A
A source, a medium, and a receiver.
8
Q
What are the three mediums through which sound can travel?
A
Gas, liquid, and solid.
9
Q
What is the speed of sound in air at 0âđ¶
A
331 m/s
10
Q
What is the formula to determine the speed of sound in air at varying temperatures?
A
v=(331+0.60T)
