A wire that is 0.36 meters long moves perpendicularly through a magnetic field at a speed of 0.21 meters/second. The induced emf produced in the wire is 0.45 volts. What is the magnetic field strength?

The absolute pressure, in kilopascals, a depth 10m below sea level is most nearly? (Assume the pressure is, in fact, being measured underwater) A) 100 B) 150 C) 200 D) 250 E) 300

A piano of mass 852 kg is lifted to a height of 3.5 m. How much gravitational potential energy is added to the piano? Acceleration due to gravity is g = 9.8 m/s2.

What is meant by inertia?

a 905 - g meteor impacts the earth at a speed of 1623 m/s. if all of its energy is entirely converted to heat in the meteor, what will be the resulting temperature rise of the meteor, assuming it does not melt? assume the meteor is made of iron.

Which increases the work output of a machine? A reducing friction B reducing input distance Cincreasing output distance Dincreasing friction

What is a neoplasm? A. Another word for a malignant tumor B. A type of carcinoma that grows only in the mouth C. A benign swelling of epithelial cells D. Any new and abnormal growth

4. Why isn't full employment the same as zero unemploy- ment?

A claw hammer is used to pull a nail from a piece of wood. Where should you place your hand on the handle and where should the nail be located in the claw to make the effort force as small as possible?

Two tuning forks, 254 Hz. and 260. Hz, are stuck simultaneously. how many beats will be heard?

What is a positive impact of artificial fertilizers