equations
What is the equation for Speed.
Distance/time
The shortest distance from start to finish
Displacement
wavelength
distance between two identical points on adjacent waves in a waveform
name an insulator
plastics, rubber,glass, Styrofoam, wood
A 400 Hz sound wave travels through a brick. The sound wave moves through the brick with a speed of 4,176 m/s. What is the wavelength of the sound wave?
10.44 m
what is the equation for acceleration
change in velocity/ time
a quantity that was both magnitude and direction
vector
period
the time it takes for a particle to make a vibrational circle PER SECOND
once an object is charged it can be used to induce a charge on another object
induction and polarization
A ball has a mass of 0.1 kg and an initial velocity of 20 m/s. The ball is given an acceleration of 30 m/s2 for 5 s.What is the net force on the ball during acceleration?
3N
what is the equation for KE
1/2m*v^2
acceleration due to gravity on earth
9.8 m/s or 10 m/s
diffraction
the bending of light around an obstacle or barrier
what is the equation for current
I=v/r
which of the following waves travel the fastest? A. water waves in the ocean. B. seismic waves in a rock. C. sound waves from a violin string. D. electromagnetic waves from the sun
D
what us the equation for heat
c*m* change in time
an object at rest stays at rest and an object in motion will stay in motion unless an unbalanced force acts upon it
newtons first law
what waves has the shortest wavelength
gamma rays
what is the unit for voltage
watts
A star explodes which wave reaches earth surface
A. light only
B. sound only
C. sound followed by light
D. light followed by sound
A
equation for inelastic collision
(M1V2)+(M2V2)=M1+M2*V^1
the ability to cause change
energy
visible light
roy g biv
breaking a magnet gives you one north and one south pole, truth or false?
false. Breaking a magnet gives you 2 smaller magnets
what results in a build up of static charge on an object
C