The loudness of a sound wave is affected by the wave's

A. pitch

B. frequency

C. amplitude

D. wavelength

The speed of a bullet as it travels down the barrel of a rifle toward the opening is given by the expression v = (-5.15 multiplied by 107) t2 + (2.30 multiplied by 105) t, where v is in meters per second and t is in seconds.

An object is dropped from a height h. during the final second of its fall, it traverses a distance of 41.2 m. what was h?

The fixed pully does what

A 50 kg box is resting on a horizontal surface. Determine the coefficient of kinetic friction between the box and the horizontal surface.

1) A crane uses an average force of 5,200 N to lift a girder 25 m. How much work does the crane do on the girder? 2) An apple weighing 1 N falls a distance of 1 m. How much work is done on the apple by the force of gravity?

For which one of the following situations will the path length equal the magnitude of the displacement? a A ball on the end of a string is moving in a vertical circle. b A toy train is traveling around a circular track.

A poem on the body system

How many stars, approximately, are in the solar system?

The ends of a magnet where the force is strongest are magnetic

Which statement is equivalent to newtons first law