ANSWER QUICKLY PLEASE A moving sidewalk has a velocity of 1.5 m/s north. If a man walks south on the sidewalk at a speed of 0.8 m/s, how long does it take him to travel 10 m relative to a stationary observer?
A. 14.3 s
B. 12.4 s
C. 9.5 s
D. 6.7 s

Asmall 21 kilogram canoe is floating downriver at a speed of 1 m/s. what is the canoe's kinetic energy?

Aclarinetist, setting out for a performance, grabs his 3.350 kg clarinet case (including the clarinet) from the top of the piano and carries it through the air with an upward force of 24.65 n. find the case's vertical acceleration. indicate an upward acceleration as positive and a downward one as negative.

70 give a real life example showing how sensory neurons work with the motor neurons