A bike rider (mass = 86.2 kg, with bike
accelerates from rest to 3.15 m/s
over 7.83 m, while exerting a
98.4 N forward force. How much
force pushes back against her
due to friction, etc.?

The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz. what wavelength is produced?

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.