Which of the following particle has the least Mass?

1. Neutron

2. proton

3. electron

4. hydrogen nucleus

Divers change their body position in midair while rotating about their center of mass. In one dive, the diver leaves the board with her body nearly straight, then tucks into a somersault position.

Why does a magnet exert a force on another magnet when the two magnets are not in contact?

The type of force measured by grocery store spring scale is

The process that lays down sediment in a new location is erosion. a. True b. False

Which of the following is the correct definition of mechanical energy? A. energy stored in chemical bonds of molecules B. energy of an object due to the random motion of its atoms and molecules C.

The malfunction indicator light in an OBD II system is flashing. Technician A says that this simply indicates a soft failure. Technician B says this means the problem could be damaging the catalytic converter. Who is right? A. Technician A only B.

What are some methods humans have used to control flooding and what has been done to worsen the effects of flooding?

Suppose an electron is moving with a constant velocity until it encounters a positively charged sphere on its right. How does the sphere alter the trajectory of the electron? a. It has no effect on the trajectory of the electron b.

Most of the mass of the Milky Way exists in the form of: a.) starsb.) gasc.) dustd.) dark matter

A 55kg cart is pushed by a force of 225 n. what is the carts acceleration?