What is the pressure on a table when a 15-n dictionary with a 0.05-m^2 cover lies flat on it

Ingrid wrote the hypothesis below. if the temperature of a liquid increases, the density of the liquid decreases because the particles move farther apart. what are the variables in her hypothesis?

The equation that describes a transverse wave on a string is y = (0.0120 m)sin[(927 rad/s)t - (3.00 rad/m)x] where y is the displacement of a string particle and x is the position of the particle on the string. the wave is traveling in the +x direction. what is the speed v of the wave?

Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z