NEET Physics: Questions 282 - 287 of 2099
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Question number: 282
Question number: 283
A ship is steaming towards east at a speed of 10 ms -1. A woman runs across the deck at a speed of 8 ms -1 in the direction at right angles to the direction of motion of the ship i. e. towards north. What is the velocity of the woman relative to sea?
Question number: 284
Question number: 285
The acceleration due to gravity at a place can be determined with the help of a simple pendulum. For this purpose effective length of the pendulum is considered. If ′ ′ be the length of the string and ‘d’ the diameter of the bob then the effective length is equal to
l + d
Capacitor C 3 in the circuit is variable capacitor (its capacitance can be varied). Graph is plotted between potential differences V, (across capacitor C 1) versus C 3, Electric potential V 1 approaches on asymptote of 10 volts as C 3 → ∞