Answer:
the second one i guess????
Explanation:
Answer: C spores are realeased sorry if I’m wrong havnt don’t need his in a bit
Explanation:
There is no acceleration in the horizontal direction because the speed in that direction is constant. So it stays at zero.
Answer:
minimum speed v=
Explanation:
Recall the formula for centripetal force;
Centripetal force is the force that is required to keep an object moving in circular part

where;
F=centripetal force
m=mass of object
r=radius of curvature
v= minimum speed
To find minimum speed make v the subject of formula;
v=