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assignmnet1 week2
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m to cm
multiply by 100, ex= 3.7m to cm is 3.7×100=370cm
inertia def.
resistance to change of motion
momentum
product of mass of object and its velocity
2.63 × 10 to the -2 converted out of scientific notation
Move the decimal 2 places to the L, so 0.0263
how to calculate velocity
distance/displacement divided by time in m/s
3 fundamental quantities
mass, time, length
derived quantities
acceleration, force, velocity, work, power, momentum
unit of energy is expressed in what
joule (j)
foundamental unit of force is expressed in what
Newtons (N)
which unit of measure is the same in all systems
seconds
v=
d/t
a=
(Vf-Vi)/t
F=
MA
p=
MV
w=
Fd