Reference frame

B

's velocity relative to reference frame

A

is

v_(BA)=50k(m)/(h)

. A car

P

is moving in the negative direction of the

x

axis, and A measures a constant

70k(m)/(h)

velocity for the car

P

. What is the velocity that

B

will measure? Type your answer here\ i\

k(m)/(h)

Reference frame B's velocity relative to reference frame A is vBA=50km/h. A car P is moving in the negative direction of the x axis, and A measures a constant 70km/h velocity for the car P. What is the velocity that B will measure? Type your answer here km/h