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In the film, "Enter the Dragon," the last scene involves a fight scence in a house of mirrors. Bruce Lee breaks the mirrors to avoid the problem of tracking the villain due to too many reflections. If that house of mirrors were all concave or convex, what would have happened to the images? Explain the effect in terms of reflection, sign conventions, and mirror equations.
A car is stopped for a traffic signal. When the light turns green, the car accelerates, increasing its speed from zero to 4.89 m/s over a time interval of 0.522 s. What impulse and average force does a 74 kg passenger in the car experience?
A rope, assumed massless, is stretched horizontally between two supports that are 3.43 m apart. obtain the tension in the rope
A 45% efficient device uses chemical energy to generate 420 J of electric energy. How much chemical energy is used? A second device uses twice much chemical energy to generate half as much electric energy. What is its efficiency?
you perform a double-slit experiment in order to measure the wavelength of the new laser that you received for your
How many time constants (a decimal number) must elapse before a capacitor in a series RC circuit is charged to 60.0% of its equilibrium charge?
Eight 60 kg skaters join hands and skate down an ice rink at4.6m/s. Side by side; they form a line 12 m long. The skater at one end stops suddenly, and the line proceeds to rotate strictly about that skater.
A circular loop of radius 20 cm is placed in an external magnetic field of strength 0.10 T so that the plane of the loop is perpendicular to the field. The loop is pulled out of the field in0.30 s. Discover the average induced emf through this interv..
An AC space heater uses an rms current of 12 Amp at an rms voltage of 120 Volt. Evaluate the magnitude of the peak voltage
A wave on a string is described by D(x,t) = (1.2 cm)sin[2 pi (x/(3.9 m) + t/(0.4 s) + 1)], where x is in m and t is in s. What is the wave number
The escape speed from a distant planet is 43 km/s. If the acceleration of gravity on the planet surface is 11.0 m/s2, what is the radius of the planet
Suppose that the numerical value of the initial speed of a rollercoaster is 12.00 m/s, the initial height is 300.0 m, and the mass of the coaster is1000.0 kg.
A bottle has a mass of 35.00 g when empty and 98.44 g when filled with water. When filled with another fluid, the mass is 88.78 g. What is the specific gravity of this other fluid
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