Answer:
14
Step-by-step explanation:
Answer:
1/8
Step-by-step explanation:
1/2 divided by 4
1/2 x 1/4 = 1/8 for each
Answer:
Step-by-step explanation:
Let the speed of the roller coaster at the bottom is v.
radius, r = 47 m
Let the mass is m and the force at the bottom is 2.5 times the weight.
F = 2.5 mg
So, the force is



v² = 1.5 gr
v² = 1.5 x 9.8 x 47
v = 26.3 m/s