motion
how many sigfigs are in 2,490?
what is 3?
diagrams used to show magnitude and force acting on an object
what are free body diagrams?
the energy that is stored in an object
what is potential energy?
nI+XI = nR+XR
what is snell's law?
the charge of protons
what is positive?
this trigonometric function represents the y-values
what is sine?
the law that states: an object that is at rest stays at rest until a force is acted upon it
what is newton's first law?
the unit for work
what are joules?
the change in wave frequency during motion between a wave source and its observer
what is the doppler effect?
another term for a push force
what is repel?
the unit for acceleration
what is m/s2?
the law that states: for every action, there is an equal and opposite reaction
what is newton's third law?
to get the spring constant total in a parallel spring, you do this
what is calculate the sum of the spring constants?
law of reflections
what is angle of incidence is always equal to angle of reflection?
to get the total voltage in a series circuit you do this
what is calculate the sum of all voltages?
time is a scalar or vector
what is scalar?
2D free-body diagrams have these extra elements
what are parallel and perpendicular components?
you can calculate this from a force/distance graph
what is work?
when the waves line up crest to crest
constructive waves
in the current, electrons' charge flows from negative to positive because
what is the electrons are decreasing?
an object where the only force acting upon it is gravity
what is a projectile?
a push or pull on an object
what is a force?
the equation used to find the period of a weight on a pendulum
what is T = 2pi (square root of) L/g?
this light moves towards the observer
what is blue shift?
couloub's constant
what is 9.0x109 Nm2/c