I NEED ANSWERS ASAP Which of the following would accelerate faster with the same amount of force? 150 pound person on a skateboard

200 pound person on a skateboard

They all accelerate equally

300 pound person on a skateboard

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

Apebble is thrown into a calm lake, ripples are formed from the center and move outward. the water particles in the lake travel in a circular pattern that moves up and down on the surface of a lake, and the energy travels a) diagonally. b) downward. c) horizontally. d) upward.

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.