A) 300cm/h
B)1 hr=60 min
300/60=5
5cm/min
C)1m=100cm
300/100=3
3m/h
I really doubt because the universe is supposed to be infinite
It means the speed of the object is increasing
and
there is a positive acceleration in the direction of the velocity
hence
there is a force acting on the object, in the direction of the velocity
Answer:
All planets have an elliptical orbit
all planets have roughly the same SHAPE of orbit
