Problem:
relative to 丸 Is om always smaller
than zz, larger than we orthe same
Ph as uu, or does it have sorme other
shed k 中
Telationship?
COTn-
TeaS,。 (4 Lisa rushes down onto a subway 7?
1the Platform to find her train already 主
leparting. She stops and watches
b the cars go by. Fach car is 8.60 m (
語 long. The first moves past her in
站 1.50 sand the second in 1.10 5.
實 Find the constant acceleratlion Of
時 則 thetralin.
With
)eSlt CHALLENGE PROBLEMS
np lt
hes is 42. Two thin rods are fastened to
~e on the inside of a cCircular TIng as
shown in Figure P2.42. One
rod of length Dis vertical, and
17th
the other of lenoth 了 makes an