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Question: Starting from its nest, an eagle flies at constant speed for 3.2 min due east, then 4.6 min due north. From there the eagle flies directly to its nest at the same speed.
How long is the eagle in the air?
A mass m=4.5 kg is attached to the vertical spring with k=200 N/m and is set into motion. what is the maximum value of the velocity
Temperatures are often measured with electrical resistance thermometers. Suppose that the resistance of such a resistance thermometer is 152 when its temperature is 25.4 °C. What is the temperature of the liquid
Consider an insulated enclosed volume of 27m^3 containing dry air at 23 degrees celsisus and 980mb, What is the specific volume and mass of the air sample
A parallel-plate air-filled capacitor having area 41.0 cm2 and plate spacing 2.70 mm is charged to a potential difference of 360. V. calculate the energy density between the plates
A 200-W infrared laser emits photons with a wavelength of 1.05 multiply.gif 10-6 m, and a 200-W ultraviolet light emits photons with a wavelength of 3.51 multiply.gif 10-7 m. What is the energy of a single infrared photon
A small, 300g cart is moving at 1.90m/s on an air track when it collides with a larger, 5.00kg cart at rest. What is the speed of the large cart after the collision
A 2.90 box is moving to the right with speed 8.50 on a horizontal, frictionless surface, What distance does the box move from its position at before its speed is reduced to zero
During a certain interval after leaving the surface of the trampoline, her kinetic energy decreases to 230 J from 440 J. Explain how high does she rise during this interval? Neglect air resistance.
A water balloon is thrown horizontally at a speed of 2.0 m/s from the roof of a building that is 6.00 m above the ground. Determine which balloon hits first and how much sooner it hits the ground than the other balloon
A particle lives for a short time before breaking apart into other particles. According to this hypothetical person, how far does the laboratory move before the particle breaks apart
A satellite has a mass of 95 kg and is located at 1.99 106 m above the surface of Earth. What is the magnitude of the gravitational force on the satellite
A room has two opposing walls which are tiled. The remainingwalls, floor, and ceiling are lined with sound-absorbent material. What are the amplitudes of each the two seperate modes
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