unit 5
What is an independent variable
This is the variable to change each time you test.
what causes more force in a collision: mass or speed
speed
where did the energy in the launcher system come from
the spring
is the eraser smooth or rough
smooth
What is a controlled variable
These are the variables to keep the same.
when you double speed how much dose the kenetic enrgy double
x 4
where dose the energy go after the collison in are launcher system
it turns into thermal heat enregy and gose into the einviorment
is the styrofoam smooth or rough
rough
what causes more damage in a collision speed or mass
speed.
when you double mass how much dose kenetic enrfy increse
x2
in enerfy transfers and contact forces in the launcher, cart box, and track system.
how many times did enrgy transfer
2 times
what gose father car with sail or without sail.
without sail.