Answer:
Explanation:
ASSUMING that the cab has ONLY kinetic energy,
(it's not sitting over a loaded spring, high on a hill, on fire)
KE = ½mv²
v = √(2KE/m)
v = √(2(18750)/2100) = √17.85714...
v = 4.225771...
v = 4.23 m/s or about 15.2 km/hr
All except C, feelings are not physical.
A.draw in the forces .Use the scale 1cm =10n of force
Answer:
D
Explanation:
A water cycle is constantly going on there is no definitive starting or stopping point
