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The pilot of an aircraft wishes to fly due west in a 50.0 kilometer per hour wind blowing toward the south. The speed of the aircraft in the absence of a wind is 205 kilometer per hour.
a) Find in what direction should the aircraft head?
b) Find what should its speed be relative to the ground?
you are an engineer in charge of designing a new generation of elevators for a prospective upgrade to the empire state
What is the angle between a wire carrying 8.30 A and the 1.20 T field it is in, What is the force on the wire if it is rotated to make a 90° angle with the field
A piston, A, as shown below, has a diameter of 0.54cm. A second piston, B has a diameter of 3.7 cm. find the force, F, necessary to support the 500N weight in the absence of friction.
Imagine you had two identical springs, each with spring constant k. what is the effective spring constant of this system
The George Washington bridge, that spans the Hudson River between New York and Jersey, is 4670 feet long and is made out of steel, How much does it expand in length between winter and summer.
A bicycle wheel of radius 0.50 m is rolling without slipping on a horizontal surface with an angular speed of 3pie rad/s when the cyclist begins to uniformly apply the breaks. find the initial tangential velocity of the bicycle wheel
In a head on collision, a car of mass 1.10 x 10^3 kilogram going northward at 25.0 m/s collides with a car of mass 1.50 x 10^3 kilogram going southward at 30.0 m/s. Obtain the amount of mechanical energy dissipated during the collision
You and your friend throw balloons ?lled with water from the roof of a several story apartment house. You simply drop a balloon from rest. How high is the apartment house
In a model AC generator, a 500-turn rectangular coil 8.00cm by 20.0cm rotates at 120rpm in a uniform magnetic field of 0.600T. What is the maximum emf induced in the coil
How many electrons are transferred. What is the smallest thickness of a soap film that would appear black if illuminated with 490 light? imagine there is air on both sides of the soap film.
It takes 150 minutes for a middle-aged physics professor to ride his bicycle up the road to Alpe d'Huez in France. What is the bicyclist's average power output
one mole of oxygen gas is at a pressure of 6.70 atm and a temperature of 24.0degc.a if the gas is heated at constant
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