Answer:
The natural frequency = 50 rad/s = 7.96 Hz
Damping ratio = 0.5
Explanation:
The natural frequency is calculated in this manner
w = √(k/m)
k = spring constant = 5 N/m
m = mass = 2 g = 0.002 kg
w = √(5/0.002) = 50 rad/s
w = 2πf
50 = 2πf
f = 50/(2π) = 7.96 Hz
Damping ratio = c/[2√(mk)] = 0.1/(2 × √(5 × 0.002)) = 0.5
Answer:
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Explanation:
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#1
Weight on moon is one sixth of earth
- Weight on moon=58.5/6=9.75kg
#2
- Gravitational field=235.2-225=9.8N
#3
#4
- It is the centre of earth where g is 0
#5
