Ms. Mayo challenged her students to build a pendulum that would hit a block of wood and move it. The group that moved the block of wood the farthest would win a prize. One group's experimental data is shown below. Ms. Mayo asked her students to present a line graph of their data. What label(s) should be written on the Y axis in this case?
mass of bob (g)
length of string (cm)
distance block moved (m)
meters per hit

Awave travels at a speed of 5.2 m/s. if the distance between crests is 0.40 m, what is the frequency of the wave? use f=v/wavelength a. 13 hz b. 2.1 hz c. 0.077 hz d. 5.6 hz

When the displacement of a mass on a spring is 12a the half of the amplitude, what fraction of the mechanical energy is kinetic energy? at what displacement, as a fraction of a, is the mechanical energy half kinetic and half potential?

Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?