A boat has a velocity of 5m/s North with respect to a river. It aims to reach point A, directly north across the river, which is
1 answer:
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Answer:
0.21 lunar month
Explanation:
the radius of moon = r₁
time period of the moon = T₁ = 1 lunar month
The radius of the satellite = 0.35 r₁
Time period of satellite
The relation between time period and radius
now,
T₂ = 0.21 lunar month
hence, the time period of revolution of satellite is equal to 0.21 lunar month
Answer:
28.57 cm
Explanation:
We are given that
Focal length,
Distance of application from his eyes,s=40 cm
s=25 cm
Substitute the values