A vw bug is driving north on a straight two lane road at a constant 54 mph and chevy impala south at 47 on the same road (but di

Question

3 years ago

11

fferent lane). What is the velocity of the chevy impala relative to the vw bug?
A.101 mph, north
B.7mph, south
C. 101mph, south
D.7mph, north

1 answer:

mario62 [17] · Answer 1 · 2022-04-22T18:50:18+03:00

5 0

Velocity of vw bug is given as

$v_1 = 54 mpH$ towards north

velocity of imphala is given as

$v_2 = 47 mph$ towards south

now we need to find velocity of imphala relative to bug

$v_{21} = v_2 - v_1$

$v_{21} = 47 - (-54) = 101 mpH$

so the speed is 101 mpH towards south so correct option is C