What is the effect of putting a ferromagnetic material inside the coil of a solenoid?

The order of evolutionary stages of a star like the Sun would be Main Sequence, giant, planetary nebula, and finally: A) hypernova. B) neutron star. C) black hole. D) nova. E) white dwarf.

A wire runs from the top of a pole that is h feet tall to the ground. The wire touches the ground a distance of d feet from the base of the pole. The wire makes an angle of theta with the top of the pole. Express h in terms of theta and d.

Which of these would have particles with the highest kinetic energy? Ice Water Water Vapor

A particle is projected at an angle 60 degrees to the horizontal with a speed of 20m/s. (i) calculate total time of flight of the particle. (i) speed of the particle at its maximum height

Why is inertia important in the laws of motion?

A gas is collected from a radioactive material; upon inspection, the gas is identified as helium. The presence of the helium indicates the radioactive sample is most likely decaying by: A). alpha B). beta + C). beta - D). gamma

Is 30 minutes to nine the same as 30 minutes after 8 in life

In a car changes its philosophy from 32 km/hour to54 km/hour in 8.0 seconds, what is its acceleration?

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?

Height of a low earth orbit?