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An aircraft performs a maneuver called an aileron roll. During thismaneuver, the plan turns like a screw as it maintains a straightflight path, but using its ailerons to set the wings in circularmotion. Due to the structural strength of the material used to makethe wings, the airplane can only withstand an acceleration of 6.1m/s2 on the tips of its wings. If each wing is 3.0 m long, what isthe shortest time it can make a full turn when it performs anaileron roll?
A satellite in a circular orbit around the earth with a radius 1.021 times the mean radius of the earth is hit by an incoming meteorite. Calculate the amount of that work converted to heat
A Thermopane window of area 6.8 m2 is constructed of two layers of glass, each 5.4mm thick and separated by an air space of 2 mm. If the inside is at 12?C and the outside is at ?36?C, how much heat is lost through the window? The thermal conductivity..
A lens placed at the origin with its axis pointing all along the x axis produces a real inverted image at x=-24cm that is twice as tall as the object. What is an image distance.
Two people on ice skates are at rest and stand facing each other. They then push each other away. The mass of the person on the left is 90 kg. Find the ratio of their speeds immediately afterward
During a bad weather day with an atmospheric pressure of 0.9 atm a submarine dives at a depth of 9.3 m.
On average, each person in the industrialized world is responsible for the emission of 10 000 kg of carbon dioxide (CO2) every year. how long would each edge of the cube be
A 1486-kg car is moving westward with a speed of 20.3 m/s, and a 2898-kg truck is traveling east with a speed of 17.8 m/s. Find the velocity of the center of mass of the car-truck system
A 4.5 kg mass is fastened to a light spring, with the intervening cord passing over a pulley, find the change in gravitational potential energy of the of the mass
An object weighing325N in air is immersed in water after being tied to a string connected to a balance. The scale now reads265N. Find the density of the object
A 28.0 kg block is connected to an empty 1.00 kg bucket by a cord running over a frictionless pulley (Fig. 4-57). The coefficient of static friction between the table and the block is 0.460 and the coefficient of kinetic friction between the table an..
A 0.04 kg bullet collides in elastically with a 0.5 kg ballistic pendulum. Before the collision the pendulum was at rest but immediately after collision the pendulum is moving with speed of 13.6 m/s. How fast was the bullet travelling before the coll..
Scuba divers breathe compressed air stored in metal tanks. What must the pressure of the air supplied to a diver at a depth of 24 m in salt water be
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