A 1.0 kg book is at rest on a tabletop. What are the forces acting on the book. ΣFχ =
ΣFy =
ax =

In which of the following is positive work done by a person on a suitcase

Awave with a frequency of 500 hz is traveling at a speed of 100 m/s.what is the wavelength?

Ahole in the ground in the shape of an inverted cone is 14 meters deep and has radius at the top of 11 meters. the cone is filled to the top with sawdust. the density of the sawdust depends upon the depth, x, following the formula ρ ( x ) = 2.5 + 1.2 e − 0.7 x kg/m3. find the total mass of sawdust in the conical hole.