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A typical home may require a total of 2.00*10^3kWh of energy per month. Suppose you would like to obtain this energy from sunlight, which has an average daylight intensity of 1200W/m^2. Assuming that sunlight is available 8.0 h per day, 25 d per month (accounting for cloudy days), and that you have a way to store energy from your collector when the Sun isn't shining, determine the smallest collector size that will provide the needed energy, given a conversion efficiency of 27% .
A clay ball (m=0.82 kg) is thrown at a metal target (M=1.72 kg) that is suspended from a cable. How far above its hanging location does the target swing
a basketball player is standing on the floor 12 m from the basket. the hight of the basket is 3.05m, what is the acceleration of the basketball at the highest point in its trajectory
Calculate the capacitance of a capacitor whose plates a 20.0 cm by 3.0 cm and are separated by a 1.0mm air gap. What is the charge on each plate if the capacitor is connected to a 12.0 V battery
A rotating wheel requires 6.00 s to rotate 26.0 revolutions. What is the constant angular acceleration (in rad/s) of the wheel
One end of a 33cm long aluminum rod with a diameter of 2.8 is kept at 420C and the other is immersed in the water at 24C
A trap door, of length and width 2.75 m, is held open at an angle of 65.0° with respect to the floor. what is the torque exerted on the trap door by the rope
A 2.0 cm × 2.0 cm parallel-plate capacitor with a 2.0 mm spacing is charged to ±1.0 nC. What is each particle's speed as it reaches the plate
Assuming the Earth's magnetic field averages about 0.50*10^-4 T near the surface of the Earth, estimate the total energy stored in this field
Two firecrackers explode at the same place in a laboratory and are separated by a time of 3 years as measured on the laboratory clock. What is the spatial distance between these two events in a rocket frame in which the events are separated in time..
A piston in an automobile engine is in simple harmonic motion. Its amplitude of oscillation from the equilibrium (centered) position is +/- 7.86 cm and its mass is 1.684 kg. Find the maximum velocity of the poston
The quantity of charge q (in coulombs) that has passed through a surface of area 1.90 cm2 varies with time according to the equation q = 8t3 + 8t + 6, What is the value of the current density
A solid bowling ball with a radius of 10.9 cm and a mass of 7.4 kg rolls along a bowling alley at a linear speed of 4.4 m/s. What is its translational kinetic energy
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