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Your cell phone battery states that it has a capacity of 1200mAh. That means it can provide constant current supply of 1200mA for 1 hour (or 3600 sec), if fully charged.
a) What is the total amount of charge in Coulombus unleashed by the battery if it is fully discharged?
b) Your battery provides a constant voltage of 3.7V. What is the energy in Joules stored in the battery?
A flat piece of glass covers the top of a vertical cylinder that is completely filled with water, What is the smallest value of the incident angle theta_a for which none of the ray refracts into the water
A long distance power line is to carry 175 megawatts (1.25x10^8W) of alternating current power at distance of 15.0km at a peak voltage of 1.00MV and a frequency of 60Hz.
A large capacitance of 2.00 mF is needed for a certain application, What is the maximum voltage that can be applied
what is the bullets time in the air. The heat capacity of ice is 2.09 and that of steam is 2.01.
A satellite is circling a small planet at a speed of 3.60 rev/day. If the satellite's orbit has a diameter of 30,000 km, how fast is the satellite moving
A mass m1 = 3.8 kg rests on a frictionless table and connected by a massless string over a massless pulley to another mass m2 = 5.5 kg which hangs freely from the string, What is the tension in the string as the block falls
A copper-bottomed kettle, its bottom 24 cm in diameter and 3.0 mm thick, sits on a burner. The kettle holds boiling water, and energy flows into the water from the kettle bottom at 800 W.
A space vehicle is orbiting Earth in the circular orbit with a radius of 10,300,000 m. What is the minimum increase in speed that is essential for the vehicle to escape Earth's gravitational field? The mass of Earth is 5.97 x 10^24 kg and G = 6.67 X ..
A 0.950kg block is attached to a spring with spring constant 16N/m, What is the amplitude of the subsequent oscillations and What is the block's speed at the point where x= 0.20
What is the kinetic energy of a ball of mass 16.1 kg at the apex (highest point) of its trajectory, if it is thrown with an initial speed of 45 mph and an initial angle of 42.8 o with respect to the horizontal?
What is the lamp's resistance? What fraction of the power dissipated is dissipated in batteries.
A car is safely negotiating an unbanked circular turn at a speed of 29 m/s. The road is dry, and the maximum static frictional force acts on the tires, what speed must the driver slow the car
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