What is the wavelength of a wave whose speed and period are 72.0 m/s and 5.00 s , respectively ?

The velocity of a curling stone is due east. what will be the direction of the momentum of the curling stone as it moves?

Which best represents the law of conservation of mass ?

Atank has a shape of a cone with a radius at the top of 2 m and a height of 5 m. the tank also has a 1 m spout at the top of the tank. the tank is filled with water up to a height of 2 m. find the work needed to pump all the water out the top of the spout. (use 9.8 m/s2 for g and the fact that the density of water is 1000 kg/m3.)