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When on the ground, Ian's weight is measured to be 700 N. When Ian is on an elevator, his apparent weight is 805 N. What is the net force on the system (Ian and the elevator) if their combined mass is 1050 kg?
A beam of natural light with an irradiance of 330 W/m^2 impinges on the first of two consecutive ideal linear polarizers whose transmission axes are 67.0° apart
A 15g bullut is stopped in a block of wood ( mw=5.8 kg). What was the origional speed of the bullet
A 1.00-kg beaker containing 1.80 kg of oil (density = 916 kg/m3) rests on a scale. A 1.90-kg block of iron is suspended from a spring scale and is completely submerged in the oil. Determine equilibrium readings of both scales.
A 20kg sled, initially at rest, slides down a hill, which is 20m tall. what is the speed of the sled at the bottom of the hill
Consider Joule's experiment described in the insight below. Assume the mass m = 2.5 kg and the fluid is water with a volume of 1.19 L. What is the increase in the temperature of the water
A generator produces 60 A of current at 120 V. The voltage is usually stepped up to 4500 V by a transformer and transmitted through a power line of total resistance 1.0 Ù
A microscope uses an eyepiece with a focal length of 1.43 cm. What is the magnification of the microscope
The wave function for a wave on a taut string is given by y(x,t)=(0.350m) sin (10pi(t)-3pi(x)+pi/4), What is the energy contained in each cycle
When yellow sodium light, ?=589nm, falls on a diffraction grating, its first-order peak on a screen 55.0cm away falls 3.29cm from the central peak. What is the wavelength of the new source
A satellite of mass 5400kg orbits the Earth and has a period of 6580s, determine the magnitude of the Earth's gravitational force on the satellite
Using your value for n, find the speed of light inside the lucite rectangle. what will be the wavelength of the light inside the material
A laser beam passes through a single slit. We observe an interference pattern on a screen 9.03 m away. Find the width of the slit
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