A 50 kg student stands on a bathroom scale placed on the floor of an elevator. What is the scale reading when the elevator is moving upward with a constant velocity of 2 m/s?

An airplane flying parallel to the ground undergoes two consecutive displacements. the first is 76 km at 39.8◦ west of north, and the second is 156 km at 59.9◦ east of north. what is the magnitude of the plane’s total displacement? answer in units of km. 020 (part 2 of 2) 10.0

Which of the following is considered to be a vector?               a.  temperature    b.  velocity    c.  time    d.  mass

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?