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The pilot of an aircraft wishes to fly due west in a 30.8 km/h wind blowing toward the south. The speed of the aircraft in the absence of a wind is 202 km/h.
(a) In what direction should the aircraft head?
(b) What should its speed relative to the ground be?
A length of aluminum wire is connected to a precision 10.0 V power supply, and a current of 0.4258 A is precisely measured at 10.0 degrees celsius, What is the unknown temperature
The plates of a parallel place capacitor have an area of 5 cm^2 each, and the capacitor has a capacitance of 3.5 pF. What is the separation of the plates and its final charge density
Suppose this rod can expand in sections like an umbrella shaft. Calculate the final angular speed if it expands in a totaly length of 2.0 m while rotating, assuming its angular momentum is conserved
What can you conclude about the resulting displacements?
The bonds are dated April 1, 2000, and are issued on that date. The discount rate of interest for such bonds on April 1, 2010, is 10%. Illustrate what cash proceeds did Harding Company receive from issuance of the bonds?
Boxes A and B have masses of 12 kg and 4 kg, in that order. The two boxes are released from rest. Use conservation of energy to find out the boxes speed when box B has fallen a distance of 00.5 m.
Birds resting on high-voltage power lines are a common sight. The copper wire on which a bird stands is 2.5 cm in diameter, calculate the potential difference between its feet
A 0.449 kg ice puck, moving east with a speed of 2.91 m/s, has the head-on collision with a 0.846 kg puck initially at rest. Assume a perfectly elastic collision, what will be the speed and direction of each object after the collision.
A tetherball leans against the smooth, frictionless post to which it is attached, What is the force the pole exerts on the ball
Two slits spaced 0.500mm apart are placed 77.0cm from a screen. What is the distance between the second and third dark lines
In a performance test, each of two cars takes 9.40s to accelerate from rest to 25 m/s. Car A has a mass of 1288 kg, and car B has a mass of 1767 kg. Find the net average force that acts on (1) car A and (2) car B during the test.
A space station is constructed in the shape of a wheel 25 in diameter, with essentially all of its 5.10×10^5 mass at the rim.
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