A car comes to a stop in 4 seconds from a velocity of 23 m/s. What is its acceleration? A) 5.75 m/s2
B) -5.75 m/s^2
C) 9.91 m/s^2
D) -9.91 m/s2

Which is not true about oxygen-17 and oxygen-18?

Which of the choices below is one of the primary gases found in the atmosphere? a. helium b. carbon dioxide c. nitrogen d. argon

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.