230
180 A
DEL
25. Physics The roller coaster car
shown in the diagram takes 23.5...
Mathematics, 07.01.2021 06:50 andrew5182
230
180 A
DEL
25. Physics The roller coaster car
shown in the diagram takes 23.5 s
to go up the 23° incline AĦ and
only 2.8 s to go down the drop
from H to C. The car covers hori-
zontal distances of 180 ft on the
incline and 60 ft on the drop.
a. How high is the roller coaster above point B?
b. Find the distances AH and HC.
e. How fast (in ft/s) does the car go up the incline?
d. What is the approximate average speed
of the car as it goes down the drop?
(Assume that the car travels along HC.
Since the actual path is longer than HC,
is your approximate answer too big or
too small?)
Answers: 1
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