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Electric cars need charging. Discuss, from a thermodynamics and physics point of view, the efficiency of electric cars where electricity is not generated from renewable sources.
A capacitor is connected to an ac generator that has a frequency of3.7 kHz and produces a voltage of1.9 V. The current in the capacitor is 32 mA. What voltage does the second generator produce
A standard violin string is 32.8 cm long from the tuning peg to the bridge. When played open(without pressing a finger against the fingerboard), What is the speed of the wave on the string
A small plastic ball of mass 5.55 x 10-3 kg and charge+0.192C is suspended from an insulating thread and hangs betweenthe plates of a capacitor (see the drawing). The ball is inequilibrium, with the thread making an angle of 30.0owith respect to t..
A 0.50 kilogram object moves in a horizontal circular track with a radius of 2.5 meter. Find the work done by the external force as the mass makes one revolution
A merry-go-round in the park can be considered a circular disk of mass 100 kilogram and a radius of 2.0 meter. Determine the resulting angular velocity of merry-go-round
A spacecraft with a proper length of 250 m passes by an observer on the Earth. According to this observer, it takes 0.780 µs for the spacecraft to pass a fixed point. Determine the speed of the spacecraft as measured by the Earth-based observer. c
A spring is resting vertically on a table. A box is dropped onto the top of the spring and compresses it. Obtain the magnitude of the spring displacement at an instant when the acceleration of the box is zero
1. a 0.245-h inductor and a 290 omega resistor are connected in series to a 15.0-v battery. what is the maximum current
A large circular capacitor with a radius of 5 m is separated by 3 mm of air. Suppose 9 V is placed across the capacitor. What is the charge magnitude that builds up on the two plates
A car travels a straight road at 130 km/h for 30min then at 50 km/h for 10min . It then reverses and goes at 80 km/h for 20min . What is the average velocity for the entire trip? What is the average speed for the entire trip?
This milestone is due in Module Three and you will provide a basis for the development of the final project by using the concepts.
water flows steadily through a horizontal pipe at the nozzle inlet the diameter is 6 in. at the nozzle outlet where the
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