y1 ch9 mech Flashcards
1
Q
when solving for the time of flight of a particle projected vertically upwards, what is the distance
A
0, as it returns back to its starting point
2
Q
something reaches its maximum height when…
A
v = 0
3
Q
limitations of velocity time models
A
item cannot instantaneously change acceleration
4
Q
if equation is parallel to i + j…
A
it means the coefficients of i and j are equal
5
Q
what does it mean if the direction is perpendicular to i
A
the i coefficient = 0
