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A jet pilot takes his aircraft in a vertical loop (a) If the jet is moving at a speed of 1200 km/h at the lowest point of the loop, determine the minimum radius of the circle so that the centripetal acceleration at the lowest point does not exceed 6.0 g's. m (b) Calculate also the 80 kg pilot's effective weight (the force with which the seat pushes up on him) at the bottom of the circle. N (c) Calculate the pilot's effective weight at the top of the circle. (Assume the same speed.)
A sound wave with intensity 20 mW/m2 interferes destructively with a sound wave that has an intensity of 4 mW/m2. What is the intensity of the superposition of the two
A satellite circles the earth in an orbit whose radius is 3.62 times the earth's radius. The earth's mass is 5.98 x 1024 kg, and its radius is 6.38 x 106 m. What is the period of the satellite
The aim is to find the woman's position when thebeam begins to tip.
A monatomic ideal gas that is initially at a pressure of 1.41 * 10^5 Pa, How much work is done by the gas during the compression
A sinusoidal electromagnetic wave having a magnetic field of amplitude 1.25\mu {\rm T} and a wavelength of 432{\rm nm} is traveling in the + x direction through empty space. What is the amplitude of the associated electric field
Cowboy Joe wishes to shoot his assailant by ricocheting a bullet off the mirrored metal plate. To do so, should he simply aim at the mirrored image of his assailant.
Red laser light of 630 nm is incident upon a diffraction grating. determine the angle from the incident ray of the first diffracted ray
A novice skier, starting from rest, slides down a frictionless 33.0° incline whose vertical height is 124 m. Explain how fast is she going when she reaches the bottom?
You have a 1.99-m-long stretched string with a mass of 19.5 g. When you oscillate the string at 440 Hz, Calculate the tension in the string
If the final temperature of the system is 22.0?C, what is the mass m of the water that was initially at 80.0 ?C
When a battery is connected to a 100-? resistor, the current is 4.00 A. When the same battery is connected to a 442-? resistor, Find the emf supplied by the battery
A carnot engine operates between asource temerature of 700 degrees celsius and a sink temperatiure of 20 degrees celsius. determine the efficiency of the engine
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