Answer:

Step-by-step explanation:
Find distance between B and market: |B-M|=|M-B|
Distance between A and B:
, call this equation (1)
Distance between A and market
, call this equation (2)
Solve (1) - (2)

Answer:
Vertical angle=9.5°
Time to reach maximum height = 1.24seconds
Step-by-step explanation:
The maximum distance x is reached when rope swings to a maximum height, maximum height is gotten from the equation KE= 1/2MU^2 = MgH = MgL= Mgl(1- cos theta.
Where theta is the vertical angle, U=2m/s and L= 15m
2gl -2glcostheta=U^2
2gl U^2=2gl cos theta
But theta= Acos(1- U^2)/2gl
Acos(1-/(2×9.8×15)
Theta =9.5°
Maximum height li given by
Lsintheta
But X= UxT
T=X/UX= Lsintheta/U = 15sin9.5 /2 =1.24seconds
Answer:
B (second one)
Step-by-step explanation:
2 x 2 = 4
4 x 1.5 or 1 1/2= 6
hope this helps
57 is the answer to your question