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A jet airplane flying from Darwin, Australia, has an air speed of 256 m/s in a direction 5.0° south of west. It is in the jet stream, which is blowing at 33 m/s in a direction 15° south of east. What is the velocity of the airplane relative to the Earth?
What is the magnitude of the velocity of the airplane relative to earth in m/s?
What is the angle of the velocity of the airplane relative to the Earth in degrees.
A puck slides on a surface for 5.6 m before it stops. If it was moving at a velocity of 15 m/s and has a mass of 1.2 kg, what is the force of friction exerted on the puck
A spaceship of proper length 308 m takes 0.76 µs to pass an Earth observer. Determine the speed of this spaceship as measured
A tiger leaps horizontally from a 5.5 m high rock with a speed of 3.9 m/s. How far from the base of the rock will she land
You select a rental package that includes a car with an average consumption of 6rm liters of fuel per 100 rm km. Considering that in Europe average fuel cost is 1.063 rm euros/ liter, how much (in US dollars) will you spend in fuel in your trip.
A test rocket is fired vertically upward from a well. A catapult gives it an initial speed of 80.6m/s at ground level. Its engines then fire and it accelerates upward at 3.80 m/s2 until it reaches an altitude of 930m. At that point its engines fai..
An elevator can lift a 185 N aircraft a distance of 36 meters in 11 s. What is the power output of the elevator
An aluminum wire having a cross-sectional area equal to 2.70 10-6 m2 carries a current of 6.50 A. The density of aluminum is 2.70 g/cm3. calculate the drift speed of the electrons in the wire
The magnitude of the electric field across an axon membrane with the resting potential of -71.0 mV is 6.39e+06 V/m. How thick is the membrane
A loudspeaker of mass 24.0 {rm kg} is suspended a distance of h = 1.40 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.70 {rm m}.
As part of a class project you are given 0.900 g of nichrome and asked to fabricate a wire with uniform cross-section. What length of wire do you end up with
A 24N crate is held at rest on a frictioneless incline by a rope that is parallel to the incline. The incline is 25 degrees above the horizontal
The force given by the wind pushes the ship towards North by a velocity of 40 kmph. The ocean current on the other hand, determine the ship's actual velocity
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