Acellist tunes the c string of her instrument to a fundamental frequency of 65.4 hz . the vibrating portion of the string is 0.600 m long and has a mass of 14.4 g .
what is μ, the mass per unit length of the string?
to determine the wave speed from purely kinematic quantities, you need to know the wavelength of the wave. what is the wavelength λ of the fundamental mode in the c string of the cello?

Ain is , is 's of ? 0.62 0.79 1.27 1.50

Astone is thrown with a speed v0 and returns to earth, as the drawing shows. ignore friction and air resistance, and consider the initial and final locations of the stone. which one of the following correctly describes the change δpe in the gravitational potential energy and the change δke in the kinetic energy of the stone as it moves from its initial to its final location? options a.δpe = 0 j and δke = 0 j b.δpe is positive and δke is negative c.δpe = 0 j and δke is positive d.δpe is negative and δke is positive e.δpe = 0 j and δke is negative

Adiagram show how a converging lens can produce a real image and virtual image