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In July 2013, a new record of power consumption in NYC was set at 13240 MW (megawatt). If there are 8 million persons in the city and electricity is drawn from outlets at 120 Volt, find how much electrical current did each person draw?
A model rocket fired vertically from the ground ascends with avertical acceleration of 3.6 m/s2 for 5.0 s. Its fuel is then exhausted, so itcontinues upward as a free-fall particle and then falls back down.
A cubic centimeter in a typical cumulus cloud contains 50 to 500 water drops that have a typical radius of 10µm. For that range, give the lower value and the higher value, respectively, for the following.
A pipe springs a leak, which causes a stream of water to rise 8.0meters into the air. What is the minimum pressure within the pipe? Determine the velocity of the stream at the leak. If the hole is 1.0cm in diameter, determine the mass rate of flowthr..
The dimensions of the picture on a 35.0{\rm mm} color slide are x = 24.0{\rm mm} {\times}y = 36.0{\rm mm}. What are the dimensions of the image on the screen
A blow-dryer and a vacuum cleaner each operate with a voltage of 120 V. The current rating of the blow-dryer is 14 A, while that of the vacuum cleaner is 4.7 A. Decide the power consumed by the blow-dryer and the vacuum cleaner.
Two loudspeakers emit sound waves along the x-axis. A listener in front of both speakers hears a maximum sound intensity, What is the phase difference between the speakers
What is the energy stored in the inductor after the switch has been closed for a very long time? Take V = 15 V, R = 1400 ? and L = 20 mH
In a fast-pitch softball game the pitcher is impressive to watch, as she delivers a pitch by rapidly whirling her arm around so that the ball in her hand moves in a circle. Find the magnitude of the total acceleration of the ball
A 75 kg parachutist descends through a vertical height of 310 m with constant speed. Find the increase in entropy produced by the parachutist, assuming the air temperature is 21°C.
The angular velocity of a wheel is given by %uDBC0%uDF9D(t) = (2.00 rad/s2)t + (1.00 rad/s4)t3. What is the angular acceleration of the wheel as a function of time
A ladder (L = 7.60 m) of weight WL = 360 N leans against a smooth vertical wall. What is the minimum value for the coefficient of static friction between the ladder and the ground
The Moon's mass is 7.36x10^22 kg and its assumed circular orbit has radius 3.84x10^8 and a period of 27.3 days. Find the moons kinetic energy.
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