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Determine the resultant velocity of an airplane that normally flies at 200 k/h if it encounters a 50 km/m tailwind if it encounters a 50 km/h headwind.
A sailboat is travelling east at 4.0 m/s. A sudden gust of wind gives the boat an acceleration a = (1.35 m/s2 30° north of east). What is the boat's speed 6.0 seconds later while the gust subsides.
A thin film of acetone is floated on a thick glass plate .plane light waves of variable wavelengths are incident normal to the film.when one views the reflected wave it is noted that the complete destructive interference occurs at 600 nm and const..
High-speed stroboscopic photographs show that the head of a200-g golf club is traveling at 55m/s just before it strikes a 46-ggolf ball at rest on a tree. What is the speed of the golf ball just after impact
Two boxes of masses, m and 2m, are in contact with each other on a frictionless surface. What is the acceleration of the more massive box
Your forensic chemistry group, working closely with local lawenforcement agencies, has acquired a mass spectrometer similar tothat discussed in the text. It employs a uniform magnetic field that has a magnitude of 0.80 T
Light in a transparent material (index of refraction 1.333) strikes the boundary with another transparent material (n=1.010). obtain the critical angle for the total internal reflection
A 44.0 kg child is in a swing that is attached to ropes 1.60 m long. The acceleration of gravity is 9.81 m/s2. Find the gravitational potential energy associated with the child relative to the child's lowest position under the following conditions.
You are standing in air and are looking at a flat piece of glass (n = 1.52) on which there is a layer of transparent plastic (n = 1.61). Find the smallest possible nonzero value for the thickness of the layer
An iron bar 40 cm long is braised to a copper bar 50 cm long and of the same diameter. determine the temperature of the junction point
Suppose a car is traveling at +20.4 m/s, and the driver sees a traffic light turn red. obtain the stopping distance of the car
White light is usually incident on two glass microscope slides with a thin layer of air of variable thickness among the slides, as seen in the figure below. Which wavelengths interfere constructively when reflected at a point where the air layer is 8..
A rectangular container measuring 24 cm 48 cm 55 cm is filled with water. What is the mass of volume of water in kilograms.
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