If the Earth's gravitational field is 9.8 N/kg, what is the force of gravity on a 5-kg mass?

What do butterflies have on their feet which allows them to sense different strengths and types of nectar? a.mechanoreceptors b.acoustic receptors c.substratum receptors d.chemoreceptors

What are the phases shown in a and d called?

When someone slams her books on a table the kinect energy is transferred into vibrations that travel to your ears as sound waves which statement describes the movement of those waves