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A 7.00 uF capacitor is initially charged to a potential of 16.0V. What is the total energy stored in this circuit
The four tires on the author's car are inflated to an absolute pressure of 2.8 multiply.gif 105 Pa.what is the contact area between each tire and the ground
person leaning over a 124 m deep well accidentally drops a siren emitting sound of frequency 2430 hz. What beat frequency does this person perceive
To make a simple microscope a student places two converging lenses of +20 D at opposite ends of a 34 cm long tube. How far should an object be placed from the objective lens
For a double-slit experiment, the inside edges of two 1.73-mm wide slits are separated by a distance of 1.35 mm. find the separation of the bright fringes on the screen
A 60.0-kg runner expends 325 W of power while running a marathon. determine the volume of bodily fluid (assume it is water) lost per hour
An infinitely long uniformly charged cylinder of radius R is shown. (a) Using symmetry arguments, sketch the shape of the electric field of the cylinder. (h) Use Gauss's Law to show that the elec
Three resistors, with values of 3.0, 6.0 and 12.0 ?, respectively, What is the overall resistance of this combination
A certain amount of work is required to stretch spring A a certain distance. Compare the spring constants of the two springs
A 65 kg skateboarder comes over the top of a hill at 5.0 m/s and reaches 10 m/s at the bottom. Find the total work done on the skateboarder
You do 6.5 J of work to stretch a spring with k = 190 N/m , starting with the spring unstretched. How far does the spring stretch
LC oscillators have been used in circuits connected to loudspeakers to create some of the sounds of electronic music. which is in the audible range of frequencies
A playground carousel is free to rotate about its center on frictionless bearings, and air resistance is negligible. What is the person's mass
A generator supplies 120 V to a transformer's primary coil, which has 44 turns. If the secondary coil has 490 turns what is the secondary voltage
Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 1.90×106 N, one at an angle 12.0 degrees west of north, What is the total work done by the two tugboats on the supe
A 300g bird flying along at 5.6 m/s sees a 10 g insect heading straight toward it with a speed of 33 m/s, What is the bird's speed immediately after swallowing
You have to do 2.2 kJ of work to push a 78-kg trunk 3.1 m along a slope inclined upward at 22 degrees , What is the coefficient of friction between trunk and slope
You slide a box of books at constant speed up a 30 degree ramp, applying a force of 160 N directed up the slope. What is the mass of the box
A laser beam is incident at an angle of 29.2° to the vertical onto a solution of corn syrup in water. what is the index of refraction of the syrup solution
If the rope tension is 120 N, and if the rope does 2500 J of work on the box, what angle theta does the rope make with the horizontal
A telescope for astronomy view has an objective lens 180[mm] diameter with focal length 2000[mm], What magnifications does each provide
After a tornado, a 0.50-g drinking straw was found embedded 4.5 cm in a tree. What was the straw's speed
A block (mass = 1.8 kg) is hanging from a massless cord that is wrapped around a pulley (moment of inertia = 1.2 x 10-3 kg·m2), find the angular acceleration of the pulley
A 120g cue ball moving at 0.35m/s strikes a stationary target ball with the same mass. Find the system's center-of-mass velocity before the collision
a wire lying in the plane of the page carries a current directed toward the bottom of the page. What path will the electron follow