Project
Question 1:
finding velocity :
At point U
initial velocity, u = 0
h = 90
V^2 - U^2 = 2gh
Velocity , V = 42.02 ms-1 ----> 1
At point V :
KE = 3(PE)
1/2 mv^2 = 3(mgh)
subs V = 42.02 ms-1; g = 9.81 ; m =1.2kg
h = 30m ----> Answer (height at V from ground)
Question 2 :
Question 3:
Total reistance Equivlaent = 70 ohms
