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You plan to take your hair blower to Europe, where the electrical outlets put out 240 V instead of the 120 V seen in the United States. The blower puts out 1600 W at 120 V a/ What current will be drawn from the 240 V line when the dryer is connected to the 120 V side of the transformer?b/ What resistance connected directly to the 240 V line would draw the same power as the dryer in part B?
Functional relationships are often verified by plotting measured quantities in some form that will give a straight-line graph if the expected relationships.
Tarzan plans to cross a gorge by swinging in an arc from a hanging vine. find the maximum speed he can tolerate at the lowest point of his swing? His mass is 100.0 kilogram, and the vine is 3.5 meter long
Show that for viscous damping, the loss factor ? is independent of the amplitude and proportional to the frequency.
A mass m is suspended by a massless spring of spring constant k and unstretched length b. The suspension point has a constant upward acceleration a0. Gravity is acting vertically downward. Find the Lagrangian and Hamiltonian functions and obtain H..
A cannon tilted upward at = 31 fires a cannonball with a speed of 94 . At that instant, what is the component of the cannonball's velocity
Look up the density and atomic mass of copper, and calculate the Fermi energy, the Fermi temperature, the degeneracy pressure, and the contribution of the degeneracy pressure to the bulk modulus. Is room temperature sufficiently low to treat this ..
A 70 kg box is pulled to the left by a 405 N force at an angle of30 degree to the horizontal. Determine the acceleration of the box
A 6.80 g lead bullet traveling at 460 m/s is stopped by a large tree. If half the kinetic energy of the bullet is transformed into internal energy and remains with the bullet while the other half is transmitted to the tree, what is the increase in te..
Discuss how the size of details of an object that can be detected with electromagnetic waves is related to the wavelength of the EM wave, by comparing details observable with two different types (for example, radar and visible light or infrared an..
A small package rests on the horizontal dashboard of a car. If ?s = 0.302, what is the minimum acceleration of the car
A real object is 42.1 cm from a negative lens that has a focal length of 25.6 cm. The object is 2.45 mm high. The height and orientation of the image are
Consider a spring of stiffness k and mass m. If we stretch - simultaneously - both ends of the spring by force F1 and F2. What will be the elongation of the spring
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