A plane is headed east with an air speed of 272.0 m/s. The wind blows southeast at 38.0 m/s. Find the velocity of the plane relative to the earth.

Discuss the postulates and implications of Albert Einstein’s Special Theory of Relativity on the way that scientific data is collected and analyzed.

You are using a vacuum cleaner. At what angle to the floor do your drop the handle?

Three applied forces, F1=20.0 N, F2= 40.0 N, and F3=10.0 N act in an object with a mass of 2.00 kg which can move along an inclined plane. The questions refer to the instant when the object has moves 0.600 m along the surface of

Bill is riding in a railroad car. He throws a ball towards the car wall. The train is moving at constant 20 m/s to the right. The ball is flying away from Bill at 8 m/s. according to Bill, his 0.145-kg baseball has 4.46 joules

Which of the following are vector quantities?

A gallon of gasoline contains about 1.3×10^8 joules of energy. A 2000-kg car traveling 20 m/s skids to a stop. Estimate how much gasoline it will take to bring the car back to the original speed. To complicate matters further, consider the fact that only

A probe is used to detect small vibrations. The probe is attached to a spring with a force constant of 4.9 N/m. The other end of the spring is attached to a metal plate submerged in low viscosity oil. Assume the system is lightly damped.
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A water pistol aimed horizontally projects a stream of water with an initial speed of 6.50 m/s.

The figure below shows a 11 cm diameter loop in three different magnetic fields. The loop’s resistance is 0.09 . For each case, determine the induced emf, the induced current, and the direction of the current.