Given an object's mass and observing its acceleration, what can be found in a direct application of Newton's second law of motion?

A.
the object's size
B.
the object's initial velocity
C.
the net force on the object
D.
the object's material composition

Amira pulls a 3 pound wagon 4 feet. how much work has she done?

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?

Wavelength of 125 meters is moving at a speed of 10 m/s. what is it's frequency?