This diagram shows two different forces acting on a skateboarder. The combined mass of the skateboard and the person is 72.3 kg. Based on this
information, what is the acceleration of the skateboarder?
Air resistance = 7.20 N
Applied force = 77.40 N
A. 0.97 m/s2 to the left
B. 0.97 m/s2 to the right
C. 3.21 m/s2 to the left
D. 3.21 m/s2 to the right

Edward tolman explained the results of his study by theorizing that the rats were learning about the maze during every trial but they a. were agitated because other groups were getting reinforcement b. could not remember how to demonstrate it without reinforcement c. were not motivated to demonstrate it without reinforcement d. seemed to be too lazy to actually work without reinforcement

Which boundary is associated with the building of the himalaya mountains? convergent transform divergent hot spot

I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.