The mass of a lift is 600kg.the. The maximum tensile force that the cable supporting the lift can withstand is 7kN. Calculate th
1 answer:
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Explanation:
a) Balloon is being thrown down and is speeding up;
mg >
b) Balloon is in the air on its way down and moving with constant speed.
=mg
c) The Balloon is on the ground and rest instantaneously
mg = Normal
d) Balloon is moving slowly downward;
e) Because, at the peak of trajectory drag force is 0.
Drag force = 0
Answer:
Far point of the eye is 22.24 m
Far point of the eye is 0.4 m
Explanation:
Object distance = u
Image distance = v
Lens equation
Far point
Far point of the eye is 22.24 m
Object distance = u = 0.25-0.02 = 0.23 m
Near point
Far point of the eye is 0.4 m