Abiker pedals hard to ride his bike to the top of a 44 m hill. he decides to let his bike coast down the hill, and is having so much fun coasting that he decided not to pedal even climbing the next hill. if that hill is 10 m high, what will the biker s speed be at the top of that hill?

Which of the following statements correctly describes a transformer?

An electromagnetic wave with frequency 65.0 hz travels in aninsulating magnetic material that has dielectric constant 3.64 andrelative permeability 5.18 at this frequency. the electric fieldhas amplitude 7.20 \times 10^{ - 3} {\rm v}/{\rm m}. a. what is the speed of propagation of the wave? b.what is the wavelength of the wave? c.what is the amplitude of the magnetic field? d.what is the intensity of the wave?

Blank is the perceived frequency of a sound wave