Amoving walkway has a speed of 0.9 m/s to the east. a stationary observer sees a man walking on the walkway with a velocity of 1.1 m/s to the east. what is the man's velocity relative to the moving walkway? a. 0.2 m/s west b. 0.2 m/s east c. 1.1 m/s west d. 0.9 m/s east

Which of the following represents an upright image? a. -do b. +m c. -m d. +do

Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.

Most short-period comets do not have randomly oriented orbits because