Answer:
C.
Explanation:
The velocity is going down at the beginning of Carla's trip, so acceleration is decreasing; this means she was slowing down. Then, the line hits 0, which means she isn't moving. Then, she started moving again after 4 seconds, so she was speeding up.
B. Refraction
Jope this helps
here north are not vector option b hope ur help
KE = 50J
