A train at a constant 56.0 km/h moves east for 29.0 min, then in a direction 47.0° east of due north for 21.0 min, and then west for 39.0 min. What are the (a) magnitude and (b) angle (relative to east) of its average velocity during this trip? (a) Number 9.499 (b) Number i 78.92 Units Units km/h °(degrees)
A train at a constant 56.0 km/h moves east for 29.0 min, then in a direction 47.0° east of due north for 21.0 min, and then west for 39.0 min. What are the (a) magnitude and (b) angle (relative to east) of its average velocity during this trip? (a) Number 9.499 (b) Number i 78.92 Units Units km/h °(degrees)
Related questions
Question
100%
Transcribed Image Text:A train at a constant 56.0 km/h moves east for 29.0 min, then in a direction 47.0° east of due north for 21.0 min, and then west
for 39.0 min. What are the (a) magnitude and (b) angle (relative to east) of its average velocity during this trip?
(a) Number 9.499
(b) Number i 78.92
Units
Units
km/h
° (degrees)
Expert Solution
Introduction:
We are given 3 different displacements and time taken for these displacements. We first find the net displacement. We take east as +x and north as +y axis. We find x and y components of resultant displacement. We then find magnitude and direction of average velocity.
Step by step
Solved in 2 steps
