Suppose a conducting rod is 52 cm long and slides on a pair of rails at 2.75 m/s. What is the strength of the magnetic field in T if a 8 V emf is induced?

Why might a volcanic eruption lead to cooler temperatures over a large area around the volcano

Suppose that with a pulley system, you need to exert a force of 1,400 N to lift a heavy object. But without the pulley system, you need to exert 4,200 N to lift the object. What is the mechanical advantage of the pulley system

A non-standard issue U. S. Federal Reserve gold bar measures 7.00 x 4.625 x 2.14 inches. If gold has a density of 19.3 g/cm3, what is the mass of a gold bar in kg and pounds?

What happens to pressure in a tire if air slowly leaking out of the tire?

A racehorse can accelerate from a dead stop to 15 m/s in 9.0 seconds. What is the acceleration of the horse?

What is used to generate interference patterns in order to produce a hologram? shadows spectrometers lasers prisms

Nitroglycerin flows through a pipe of diameter 3.0 cm at 2.0 m/s. If the diameter narrows to 0.5 cm, what will the velocity be?

A 10 kg rock is suspended 320 m above the ground calculate the speed in which the rock hits the ground

Whats it called when a force can change the shape of an object?

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