Answer:
1) The acceleration will be g = 9.8 m/s²
2) F = Wsinα = mgsinα = 400kg·9.8m/s²·1/2 = 2000N
Explanation:
first is to find periodic time
12.2÷20= 0.61 s
f= 1/T
=1/0.62
=1.639Hz
Answer:Gliding
Explanation:
Because it’s an ball and socket joint
Answer:
in pounds if would be 50.7 or 50.7063
The angle between incident ray and reflected ray is 60 degree. the value of angle of incidence and angle of reflection is 30 degree