PLEASE HELP AND HURRY What is the correct unit for acceleration?
A. s
B. m/s
C. m
D. m/s^2

1400 kg car has a speed of 27 m/s. if it takes 7 s to stop the car, what is the impulse and the average force acting on the car?

Which of the following is not a transverse wave? a) soundb) lightc) radiod) all of thesee) none of these

Dc versus ac problem. suppose your dc power supply is set to 15 v and the vertical setting on the oscilloscope is at 5 v/div. how many divisions will the trace deflect if you connect the output of the power supply to the scope with the a input switch set on dc? how many divisions if the switch is on ac?